The Aquarist’s Edge [Weekly Aquarium Podcast]

What would your fish say if they could send you a voice note? In this episode, a goldfish in a bowl, a betta in a vase, a nipped angelfish, a lonely neon and a few others write in to an aquarium agony aunt with the problems they face most often. It's a light-hearted look at the most common beginner aquarium mistakes, with honest, practical answers for new and experienced fish keepers alike.💬 Join the conversation: If your fish could send a voice note to an agony aunt, what would it say? Share it in a review or find us on social media and tell us.👍 If you enjoyed this episode, follow The Aquarist's Edge on your podcast app and share it with a fish keeper who may need to hear it.☕ If this show has helped you in your fishkeeping journey, please consider supporting by buying me a coffee here: https://ko-fi.com/artsfishroom🔍 Keywords: beginner aquarium mistakes, goldfish bowl, betta fish in a vase, fish compatibility, fin nipping, neon tetra shoal, overfeeding fish, aquarium pH swings, holiday fish feeding, multiple tank syndrome, fishkeeping tips

Did you choose the stuff on the bottom of your tank by colour? Most of us did, but your substrate affects your water chemistry, your plants, and whether fish like corydoras and eartheaters can feed the way they're built to. This episode compares gravel, sand, aqua soil, crushed coral, dirted tanks and bare-bottom tanks, matches each to the fish and shrimp that suit it, and works through some of the hobby's longest-running substrate debates. 💬 Join the conversation: Are you a sand, gravel or aqua soil keeper, and have you ever switched and noticed a difference in your fish? Share your story in a review or find us on social media and tell us. 👍 If you enjoyed this episode, follow The Aquarist's Edge on your podcast app and share it with a fish keeper who may need to hear it. ☕ If this show has helped you in your fishkeeping journey, please consider supporting by buying me a coffee here: https://ko-fi.com/artsfishroom 🔍 Keywords: best aquarium substrate, sand vs gravel aquarium, aqua soil planted tank, shrimp substrate, corydoras sand, crushed coral African cichlids, how to clean aquarium sand, dirted tank, bare bottom aquarium, fishkeeping tips for beginners

Why did your first fish die within days of setting up the tank? It's called new tank syndrome, and it's just one of ten hard lessons this episode covers. Whether you're setting up your very first aquarium or you've been in the hobby for years, this one's built to catch something you didn't know you needed to hear. 💬 Join the conversation: What's the mistake you made early on in this hobby that you'd go back and fix if you could? Share your story in a review or find us on social media and tell us. 👍 If you enjoyed this episode, follow The Aquarist's Edge on your podcast app and share it with a fish keeper who may need to hear it. ☕ If this show has helped you in your fishkeeping journey, please consider supporting by buying me a coffee here: https://ko-fi.com/artsfishroom 🔍 Keywords: new tank syndrome, nitrogen cycle explained, beginner aquarium mistakes, overstocking a fish tank, dechlorinator tap water fish, zebra danio aggressive, dwarf gourami aggressive, best first fish tank size, freshwater aquarium mistakes, fishkeeping tips for beginners

Can you actually cross-breed aquarium fish, and would you even want to? This episode looks at where hybridisation really happens in the freshwater hobby, and what it means for the fish and the fishkeeper when it does. Art works through the two groups where crossing is most common — livebearers like platies and swordtails, which will hybridise without any encouragement at all, and cichlids, where mbuna cross in mixed tanks and fish like flowerhorns and blood parrot cichlids exist purely because of deliberate breeding. He also covers the less-talked-about case of Corydoras catfish hybridising in mixed shoals, the genetics behind why some crosses produce healthy fry and others don't, and why hybrid cichlids are so often sterile. If you've ever wondered whether your "tuxedo platy" is really a hybrid, or you're trying to keep a clean cichlid breeding line, this episode gives you the practical answers. Topics include: livebearer hybrids, platy and swordtail crossing, mbuna hybridisation, flowerhorn and blood parrot cichlid origins, Corydoras hybrids, fish genetics and hybrid viability, hybrid sterility in cichlids, ethics of fish hybridisation, conservation risks, preventing accidental hybrids. Enjoyed the episode? Please follow The Aquarist's Edge and leave a review to help more freshwater aquarists discover the show. ⭐ Enjoying the podcast? Please leave a review as it helps other fishkeepers find the show. ☕ Support the show by buying Art a coffee: https://ko-fi.com/artsfishroom

What a rookie error! This is a short apology to all those who happened to listen to the very raw unedited version of Series 3 Episode 31 earlier today...

Can you actually grow plants in a tank with no heater? In this episode of The Aquarist's Edge, Art breaks down why coldwater and goldfish tanks developed such a bad reputation for plants and which ones genuinely thrive in them. He works through the tough, unappetising options that survive both cold water and grazing fish, the "sacrificial" plants worth growing on purpose so goldfish have something to eat that isn't your centrepiece, and the lighting, substrate, and CO2 basics that actually determine whether any of it grows. Along the way there are practical, do-it-this-week tips. If you keep goldfish, White Clouds, or any unheated community tank and have been told plants just aren't for you, this episode will change how you plan your next aquascape. Enjoyed the episode? Please follow The Aquarist's Edge and leave a review to help more freshwater aquarists discover the show. ⭐ Enjoying the podcast? Please leave a review as it helps other fishkeepers find the show. ☕ Support the show by buying Art a coffee: https://ko-fi.com/artsfishroom

Can better colour really be trained into a fish, or is it mostly down to luck and genetics? In this episode of The Aquarist's Edge, Art breaks down what actually drives fish colouration, from diet and water quality to lighting, substrate, and social grouping. He looks at where colour genuinely comes from, why carotenoid-rich foods matter for reds and oranges, how chronic stress quietly dulls even healthy fish, and why factors like substrate tone and shoal size can visibly change how a fish displays. The episode also sets realistic expectations, since genetics ultimately sets the ceiling no amount of good care can raise. If you're chasing more vibrant fish, wondering why your tank doesn't look as colourful as you'd hoped, or just curious what's actually happening beneath the surface, this episode will help you separate what you can influence from what you can't. Topics include: fish colour, colour-enhancing fish food, carotenoids in fish diet, fish stress and colouration, aquarium lighting for colour, substrate and fish colour, shoaling fish behaviour, fish genetics, freshwater fish care, and realistic fishkeeping expectations. Enjoyed the episode? Please follow The Aquarist's Edge and leave a review to help more freshwater aquarists discover the show. ⭐ Enjoying the podcast? Please leave a review as it helps other fishkeepers find the show. ☕ Support the show by buying Art a coffee: https://ko-fi.com/artsfishroom

Is fishkeeping really an accessible hobby, or is it more demanding than it first appears? In this episode of The Aquarist’s Edge, Art looks at the true cost of freshwater fishkeeping, the space and time an aquarium requires, the physical demands of maintenance, and the knowledge beginners need before getting started. He also explores how aquarium care can be made easier and more inclusive without compromising fish welfare. From choosing manageable aquarium sizes and simplifying maintenance to avoiding information overload and understanding the nitrogen cycle, this episode offers practical advice for beginners and experienced aquarists alike. If you are considering your first freshwater aquarium, working with a limited budget or space, or looking for ways to make fishkeeping easier to maintain, this episode will help you build an aquarium that fits your life while still meeting the needs of your fish. Topics include: beginner fishkeeping, affordable aquarium setups, aquarium maintenance, fish welfare, aquarium costs, small aquariums, accessible fishkeeping, nitrogen cycle basics, freshwater aquarium care, and responsible fishkeeping. Enjoyed the episode? Please follow The Aquarist’s Edge and leave a review to help more freshwater aquarists discover the show. ⭐ Enjoying the podcast? Please leave a review as it helps other fishkeepers find the show.  ☕ Support the show by buying Art a coffee: https://ko-fi.com/artsfishroom

Corydoras are some of the most popular freshwater catfish in the aquarium hobby, but keeping them successfully involves far more than simply adding a few "bottom cleaners" to your tank. Art covers the essentials of Corydoras care, including ideal group size, aquarium setup, substrate choice, feeding, water conditions, tankmates, common health concerns and some of the unusual behaviours that often confuse new keepers. You’ll also learn why Corydoras should not be expected to survive on leftovers, why species-specific temperature requirements matter, and what those sudden trips to the surface actually mean. Whether you keep panda corys, bronze corys, peppered corys, Sterbai corys or another member of the Corydoradinae group, this practical freshwater aquarium care guide will help you create better conditions for healthy, active and confident fish. If you enjoy freshwater aquarium care, tropical fishkeeping, Corydoras care guides and practical aquarium advice, subscribe to The Aquarist’s Edge and leave a review to help more aquarists discover the show. ⭐ Enjoying the podcast? Please leave a review as it helps other fishkeepers find the show.  ☕ Support the show by buying Art a coffee: https://ko-fi.com/artsfishroom

Choosing a new fish is one of the most exciting parts of freshwater fishkeeping but it is also where many long-term aquarium problems begin. In this episode Art explores the single most important question to ask before buying a fish, along with six practical checks covering adult size, aquarium suitability, compatibility, feeding, quarantine and long-term care. Whether you are stocking your first community aquarium or adding a new species to an established tank, this episode will help you make more responsible fish choices and avoid common mistakes such as overcrowding, aggression, poor diet and unsuitable water conditions.   ⭐ Enjoying the podcast? Please leave a review as it helps other fishkeepers find the show.  ☕ Support the show by buying Art a coffee: https://ko-fi.com/artsfishroom

A healthier aquarium does not always require expensive equipment or complicated treatments. In this episode Art explores five simple adjustments that can improve water quality, reduce algae, support healthier fish and make aquarium maintenance easier. Learn how to improve feeding, lighting, water circulation, water changes and daily observation without disrupting the stability of your freshwater aquarium. These practical fishkeeping tips are ideal for beginner and intermediate aquarists who want cleaner water, healthier fish and a more reliable aquarium routine. 🔗 Podcast episode referenced: Stop Feeding Your Fish Everyday - https://theaquaristsedge.beam.ly/episode/why-fasting-your-fish-improves-health-water-quality-and-tank-balance ⭐ Enjoying the podcast? Please leave a review as it helps other fishkeepers find the show.  ☕ Support the show by buying Art a coffee: https://ko-fi.com/artsfishroom

What happens when you love aquarium keeping, but your landlord says no tanks? In this episode of The Aquarist’s Edge, we explore how to negotiate aquarium restrictions responsibly, gain practical fishkeeping experience without owning a tank, and use virtual aquariums to develop useful planning and aquascaping skills. You’ll also discover how learning about the nitrogen cycle, fish compatibility, local water parameters, and aquarium equipment now can give you a major advantage when you eventually set up your first freshwater aquarium. Have you ever been prevented from keeping an aquarium by a lease, budget, move, or change in circumstances? Share your experience so that others can learn from you! Shared in the episode: Eastern Cape Aquarium and Aquascaping Club: https://www.ecaac.co.za ⭐ Enjoying the podcast? Please leave a review as it helps other fishkeepers find the show.  ☕ Support the show by buying Art a coffee: https://ko-fi.com/artsfishroom

In today's episode of The Aquarist's Edge, Art explores the five most common fish diseases every freshwater aquarist eventually faces: white spot (ich), fin rot, fungal infections, velvet, and dropsy. He explains exactly how to identify and treat each one. Whether you're struggling with a tank suddenly covered in white spots or worried about ragged fins, this episode is packed with clear treatment plans you can use straight away. Learn what's really happening to your fish, from the protective slime coat and the role of stress, to the parasite life cycles that make treatment timing so important. You'll also learn the clever torch trick that reveals velvet before it's too late, and why water quality and quarantining new fish prevent more outbreaks than any medication ever will. ⭐ Enjoying the podcast? Please leave a review as it helps other fishkeepers find the show.  ☕ Support the show by buying Art a coffee: https://ko-fi.com/artsfishroom

Has the aquarium that once helped you relax started to feel like another source of stress? In this episode of The Aquarist’s Edge, Art explores aquarium burnout, fishkeeping guilt and the cycle that can turn an enjoyable hobby into an overwhelming maintenance burden. You’ll learn why aquarium motivation fades, how perfectionism and decision fatigue affect fish keepers, and how to create a realistic recovery plan without immediately dismantling your tank. Healso discusses simplifying multiple aquariums, establishing a minimum care routine, reconnecting with the creative side of fishkeeping and recognising when responsible rehoming may be the right decision. Whether you are struggling to complete water changes, feeling guilty about aquarium maintenance or considering leaving the hobby, this episode offers practical and compassionate advice to help you move forward. Referenced in this episode: https://theaquaristsedge.beam.ly/episode/aquarium-perfectionism-how-to-stop-comparing-your-fish-tank-and-enjoy-the-hobby-again  If this episode has been helpful to you, please consider buying me a coffee here: https://ko-fi.com/artsfishroom

A healthy aquarium does not need to look like a flawless social media post. In this episode of The Aquarist’s Edge, Art examines how aquarium perfectionism develops, why online aquascapes can create unrealistic expectations, and how constant adjustments may affect both your enjoyment and your fish. You’ll learn how to separate responsible aquarium care from anxiety-driven maintenance, evaluate your tank using fish welfare and stability rather than appearance alone, and set realistic standards for planted aquariums and freshwater fishkeeping. Discover why algae, uneven plant growth, visible equipment and changing layouts are not always signs of failure, and why a sustainable aquarium is often better than a visually perfect one. If this episode has been helpful to you, please consider buying me a coffee here: https://ko-fi.com/artsfishroom

Can you move indoor aquarium fish outdoors for the warmer months? In this episode of The Aquarist’s Edge, Art explores how to keep freshwater aquarium fish outside safely. We cover seasonal timing, outdoor tub and pond setup, temperature swings, predators, oxygen levels, algae, feeding, breeding, and the importance of preventing aquarium fish from escaping into local waterways. Whether you’re considering guppies, ricefish, white cloud mountain minnows, goldfish, or other hardy freshwater species, this episode will help you make better decisions for fish health and environmental safety. You’ll learn why outdoor fishkeeping can bring out natural behaviours and breeding activity, but also why careful planning, legal responsibility, and daily observation are essential. If this episode has been helpful to you, please consider buying me a coffee here: https://ko-fi.com/artsfishroom

Ever bought “schooling fish” and watched them split up into little cliques? In this episode of The Aquarist’s Edge, Art breaks down the real difference between shoaling vs schooling, why many popular “schooling fish” don’t actually school in home tanks, and how to set up your aquarium to bring out natural group behaviour. You’ll learn which freshwater species are the best schooling and shoaling fish for community aquariums, plus the practical rules that make a school look tight, confident, and stress-free. If you want a calmer tank, better fish confidence, and that “moving as one” look, this episode is your blueprint. 💬 Join the conversation: What’s the best schooling fish you’ve kept, and how many were in the group? If this episode has been helpful to you, please consider buying me a coffee here: https://ko-fi.com/artsfishroom

In this episode Art explores unusual everyday foods that can be safely used as occasional treats in a freshwater aquarium. From courgette, cucumber, peas, spinach, pumpkin, butternut, sweet potato, carrot, and green beans, you’ll learn which foods suit different freshwater fish and how to prepare them properly. We also explain why these foods should supplement, not replace, a balanced fish food diet, and how to avoid common feeding mistakes that can affect water quality. Whether you keep goldfish, guppies, mollies, bristlenose plecos, corydoras, bettas, shrimp, or snails, this episode will help you make safer, more informed feeding choices. You’ll also learn which everyday foods should never go into your aquarium. Keywords: freshwater aquarium foods, safe foods for aquarium fish, feeding freshwater fish vegetables, courgette for plecos, peas for goldfish, aquarium fish diet, fishkeeping tips, freshwater fish nutrition, unusual fish foods, aquarium feeding guide. If this episode has been helpful to you, please consider buying me a coffee here: https://ko-fi.com/artsfishroom

Guppies are more than “beginner fish"! They’re colourful, interactive, and endlessly entertaining in a home freshwater aquarium. In this episode of The Aquarist’s Edge, Art shares why guppies are so fun to keep, from their bold personalities and constantly-on-the-move behaviour to the way lighting and tank design make their colours explode. He also covers the reality of guppy breeding and fry, smart stocking and tank setup tips, and simple troubleshooting for common guppy problems like fin damage and stress.   If this episode has been helpful to you, please consider buying me a coffee here: https://ko-fi.com/artsfishroom  _____________________________________________ guppy fish, guppies, guppy care, guppy tank setup, livebearer fish, freshwater aquarium fish, guppy breeding, planted tank guppies, beginner fishkeeping

In this episode of The Aquarist’s Edge, Art explores why minerals are essential for a healthy freshwater aquarium. From GH and KH to pH stability, fish health, shrimp moulting, snail shell development, and aquarium plant growth, you’ll learn how dissolved minerals quietly shape the success of your tank. Whether you use tap water, RO water, or a planted aquarium setup, this episode will help you understand what your water is really doing. We also explain why clear water is not always healthy water, why chasing pH can cause problems, and how to create stable, suitable water for your fish and plants.

Activated carbon (often called “charcoal”) is one of the most common aquarium filter media, but what does it actually do, and do you really need it running all the time? In this episode of The Aquarist’s Edge, Art breaks down how activated carbon works, what it removes, what it doesn’t remove, and the best times to use it in a freshwater aquarium. You’ll also learn why pet shops sell carbon so aggressively and how to avoid the cartridge-replacement trap that can destabilise your filter.

Want a freshwater aquarium that stays stable, looks great, and doesn’t turn into a weekly stress project? In this episode of The Aquarist’s Edge, Art breaks down exactly how to build a low-stress aquarium setup. An aquarium that’s forgiving, low-maintenance, and reliable even when life gets busy. You’ll learn how to pick the right tank size for stability, simplify filtration, choose hardy fish and easy plants, set a sensible lighting schedule, and create a routine you’ll actually stick to.

Keeping a freshwater aquarium at home can be one of the most calming, rewarding hobbies; until a heater fails, algae takes over, or the guilt of fish loss hits hard. In this thoughtful episode of The Aquarist’s Edge, Art reflects on the real positives and negatives of home aquariums: stress relief, routine, learning, ethics, hidden costs, and how to keep the hobby enjoyable without chasing perfection. You’ll walk away with practical ways to simplify your setup, reduce anxiety, and build a tank that fits your real life.

Art breaks down aquarium lighting in a way that makes real sense for everyday freshwater fishkeepers. He covers the science behind PAR, spectrum, lumens, Kelvin, and photoperiod, and explain how these affect plant growth, fish behaviour, and algae control in a home aquarium. Whether you are setting up a low-tech planted tank or trying to understand why your aquarium light is causing problems instead of solving them, this episode gives you practical, easy-to-apply guidance. You’ll learn how aquarium lights actually work, why more light is not always better, how to avoid common lighting mistakes, and what to look for when choosing the right fish tank light for your setup. This episode is ideal for beginners and intermediate hobbyists who want a clearer understanding of freshwater aquarium lighting without the confusing jargon. If you enjoyed this episode, please leave a review and share it with another aquarist.

Your aquarium filter is a living habitat where biofilm, oxygen, and water flow decide how stable (or fragile) your freshwater tank becomes. In this episode of The Aquarist’s Edge, Art breaks down what actually happens inside sponge filters, canister filters, and hang-on-back filters, and why upgrading a filter can sometimes make a tank worse if the habitat shifts. You’ll learn how filter flow rate, surface agitation, and filter media choices shape your biological filtration, water clarity, and long-term consistency. 💬 Join the conversation: Have you ever upgraded a filter and your tank got worse? Tell us what changed. SEO keywords: aquarium filtration, biological filtration, aquarium filter media, sponge filter, canister filter, hang-on-back filter, biofilm, oxygenation, surface agitation, freshwater aquarium, fish tank maintenance

In this episode of The Aquarist’s Edge, Art breaks down 10 proven ways to make your freshwater aquarium healthier. This episode will help you stabilise your tank and prevent problems before they start. Expect practical fishkeeping advice, clear science, and realistic routines you can follow even when life gets busy. You’ll learn how to improve freshwater fish health, protect your biological filtration, manage ammonia, nitrite and nitrate, and create a healthier aquarium environment with less stress and more consistency. Referenced in this episode: https://theaquaristsedge.beam.ly/episode/why-fasting-your-fish-improves-health-water-quality-and-tank-balance  **LISTENER NOTE** - This is the first episode with no music in the background. Let me know if you prefer it this way or if you'd rather have the soft, gentle music background as in previous episodes.

Many aquarists don’t leave the hobby at the beginning of their aquarium journey. They leave during the stage when their aquarium suddenly becomes difficult to manage. Algae outbreaks, plant melt, unstable water conditions, and constant adjustments can make even a promising tank feel frustrating and discouraging. In this episode Art explores the phase where many aquarists consider giving up. He shares why this stage happens, what is actually going on inside the aquarium ecosystem, and how hobbyists can move through this difficult period toward a more stable and rewarding aquarium. Topics covered include: The difference between cycled tanks and mature aquariums Why algae often appears after the first few months Common mistakes aquarists make when trying to fix problems The role of biological maturity and ecosystem balance Practical ways to stabilize a struggling tank If your aquarium currently feels like it’s fighting you, this episode may help you understand why.    🎵 Music: "I Remember Well" - Cody Francis (Epidemic Sound - https://www.epidemicsound.com/music/tracks/3d1bfa6a-2fdd-3a79-8f44-b323a2989bb9/)

Shy fish can turn a beautiful freshwater aquarium into an “invisible fish” tank but most hiding behaviour has clear, fixable causes. In this episode of The Aquarist’s Edge, Art breaks down why fish stay tucked away and how to coax them into the open without stress using smarter aquascaping, gentler lighting, confidence-building feeding routines, and a quick social “bully check.” Whether you keep tetras, rasboras, corydoras, or other community fish, this episode will leave you with a practical plan to help your fish feel safe and behave naturally.   🎵 Music: "Feels Like That (Instrumental)" - Victor Lundberg (Epidemic Sound - https://www.epidemicsound.com/music/tracks/6d3d8cd6-d6e1-416c-a88c-1ed926005a4f/)

Do you want a freshwater aquarium that stands out without keeping difficult fish? In this episode of The Aquarist’s Edge, Art explores unusual but easy-to-care-for freshwater aquarium fish that thrive in normal home setups. You’ll learn the aquarist “keeper moves” that make oddball fish feel effortless: tank setup tips, feeding strategies, compatibility advice, and the simple tweaks that stop shy fish from disappearing. If you’re building a planted community tank, a nano setup, or a river-rock oddball aquarium, this episode will help you choose fish that are both unique and beginner-friendly, while still rewarding you with incredible behaviour and personality.   🎵 Music: "Center Of The Blue" - Cora Zea (Epidemic Sound - https://www.epidemicsound.com/music/tracks/0d6af74f-250f-4735-b9d0-5f99e8f3822e/)

Art explores a question many hobbyists quietly relate to: why do so many home aquarists seem to be neurodivergent, including people with ADHD traits, autistic traits, anxiety traits, and strong systems-thinking? Is this reality or simply perception? The episode looks at the science-meets-hobby reasons aquariums can feel uniquely regulating: predictable routines, measurable cause-and-effect, soothing sensory input, and the deep satisfaction of observation and pattern recognition. You’ll also hear practical, beginner-friendly ways to build an aquarium routine that works with your brain, not against it; covering overwhelm, perfectionism, impulsive upgrades, and how to simplify maintenance so your tank stays stable even during busy weeks. Plus, there's also a segment on kids and teens in fishkeeping, and how parents can support a young neurodivergent aquarist’s special interest in a healthy, sustainable way. 🎵 Music: 'Looking Forward' - Staffan Carlén (Epidemic Sound: https://www.epidemicsound.com/music/tracks/ef2987e7-3e7b-49bb-b9fe-45f1ffd366e5/)

Tiger barbs are hardy, colourful, and endlessly entertaining but they’re also one of the most commonly mis-stocked freshwater fish, which is why fin-nipping and “random aggression” show up so often. In this episode of The Aquarist’s Edge, Art breaks down a complete tiger barb care guide: the best tank size in litres, the ideal schooling group size, the most effective ways to reduce aggression, and how to choose tank mates that won’t get harassed. You’ll also learn practical feeding strategies for health and colour, how to set up your aquascape with sight breaks and swimming lanes, and ways to address and prevent problems like faded colour, chasing, and torn fins.  🎵 Music: 'Love Religion - Instrumental' - Sully Bright (Epidemic Sound - https://www.epidemicsound.com/music/tracks/65d85c2c-1d97-48b2-b9a9-dfb36a4a891c/)

In this episode of The Aquarist’s Edge, Art explores why the freshwater aquarium hobby needs you. It's not just the experts, not just the big creators, but everyday aquarists who choose patience, good husbandry, and kindness with beginners. You’ll learn how your decisions around aquarium cycling, stocking, quarantine, water testing, and maintenance routines ripple outward to shape fish welfare, local fishkeeping culture, and even what aquarium shops stock. We also unpack how to help new hobbyists without gatekeeping, how to spot and avoid harmful trends, and how to “vote with your wallet” to support ethical fishkeeping. Whether you keep a single planted tank or a room full of aquariums, this episode will leave you with practical ways to become a positive force in the hobby and improve outcomes for fish in the process.   🎵 Music: "Some Kind of Beautiful - Instrumental" - Particle House (Epidemic Sound - https://www.epidemicsound.com/music/tracks/8784c0e1-7d09-4131-a44b-1bb183e36c4d/)

Algae in freshwater aquariums isn't always a nuisance. It’s a clear signal about lighting, nutrients, plant health, organics, and overall tank stability. In this episode of The Aquarist’s Edge, Art flips the script on aquarium algae and shows you how to “read” what your tank is telling you, identify common algae types (green hair algae, black beard algae, diatoms, green film algae, and cyanobacteria), and reduce algae naturally without wrecking your aquarium balance. You’ll walk away with practical steps to control algae long-term, support healthy plant growth, and keep your aquarium looking great with realistic maintenance. 🎵 Music: "Breathe In Breathe Out - Instrumental" - Ludlów (Epidemic Sound - https://www.epidemicsound.com/music/tracks/01d6b82d-78c9-44ed-b587-f56e04b1f119/)

Art breaks down the real differences between Endler’s livebearers and guppies, going far beyond size and colour. You’ll learn how species genetics, natural behaviour, and evolutionary history shape their health, activity levels, and breeding patterns in the aquarium. You'll hear about the science behind Endlers’ constant foraging behaviour, why guppies and Endlers hybridise so easily, and how tank design, mineral content, temperature, and feeding strategies directly affect long-term success. Whether you’re keeping Endlers, guppies, or both, this episode provides practical, experience-based advice to help you build stable, thriving livebearer tanks.   ⭐ Enjoying the show? Leave a review and help other aquarists discover The Aquarist’s Edge.   🎵 Music: "I Don't Want A Silent Night - Instrumental" - Wildflowers (Epidemic Sound - https://www.epidemicsound.com/music/tracks/909f76d5-bcf8-3607-81c3-1f36251904d2/)

This episode exposes one of the most dangerous myths in guppy keeping: that you need perfect water parameters to keep guppies alive. Discover why constant tweaking of pH, hardness, and temperature quietly kills guppies, and learn what these colourful livebearers actually need: stable, mineral-rich water and a calm, consistent routine. Art  breaks down practical guppy care, soft-water strategies, and more. Whether you’re losing guppies in a new setup or your fancy strains just don’t last, this exploration of guppy water parameters, hard water livebearers, and stable aquarium maintenance will help you turn things around.   🎵Music: "Different Kind Of Lonely" (Instrumental) - The Eastern Plan (Epidemic Sound: https://www.epidemicsound.com/music/tracks/9994fed6-9cbe-3acd-8a7d-afcd411d52e6/)

This episode explores what your freshwater aquarium is really doing while you sleep. From plant respiration and fish “sleep” behaviour to oxygen levels and filter bacteria, learn more about the hidden night shift inside your tank. Learn how to create gentle lighting transitions, set up smart night-time aeration, and design an aquascape that keeps your fish calm after dark. Two troubleshooting segments tackle common night-time problems: fish panicking when lights turn on or off, and oxygen dips that leave fish gasping at the surface. This episode is perfect for beginner and intermediate freshwater keepers who want to understand their tanks as 24-hour ecosystems, not just daytime displays.   🎵 Music: "Auld Lang Syne (Acoustic version)" - Loving Caliber (Epidemic Sound - https://www.epidemicsound.com/music/tracks/c8c90bf6-af03-48c8-bc87-6f2e5d38b5cf/)

Art breaks down the top five New Year resolutions that truly make a difference for freshwater aquarists - not only for your fish, but for your long-term success and enjoyment of the hobby. From building stable aquarium ecosystems to simplifying maintenance routines and improving feeding habits, this episode focuses on practical changes that lead to healthier fish and less stress. Whether you’re a beginner or an experienced fishkeeper feeling overwhelmed, these aquarium resolutions will help you create more balance, consistency, and confidence in your tanks throughout the year. 👉 Leave a review and share your experience with these resolutions 🎵 Music: "Swaying" - Candelion (Epidemic Sound - https://www.epidemicsound.com/music/tracks/b99559b7-b6ca-4bd8-b1d0-682f3c9411bf/)

In this episode of The Aquarist’s Edge, Art unpacks the subtle ways your freshwater aquarium can mislead you. Crystal-clear water, active fish, lush plants, and “good” test results can all hide underlying stress, unstable chemistry, and long-term problems. Learn how to read the real signals in your tank: from fish behaviour and flow patterns to plant growth, algae types, temperature stability, and social dynamics. You’ll learn how to think beyond appearances, understand the biology and chemistry happening behind the glass, and build simple habits that stop your tank from “lying” to you for long. Whether you’re cycling your first community tank or refining a mature planted setup, this episode will sharpen your eye for early warning signs, system-wide patterns, and long-term stability. If this episode helped you see your aquarium in a new way, please consider leaving a rating or review as it really supports the show and helps more aquarists find us. 🎵Music: 'Just One Of Those Things' - Victor Lundberg (Epidemic Sound - https://www.epidemicsound.com/music/tracks/0b04aaed-024f-4485-b8c7-bc5b266b3b40/)

In this episode of The Aquarist’s Edge, Art unpacks the mindset behind the title “Don’t Assume You Know” and expose the hidden mistakes that quietly ruin freshwater aquariums. From so-called “beginner fish” and misunderstood nitrogen cycles to tap water assumptions, equipment myths, and misread fish behaviour,  learn more about the science and how to stop guessing and start understanding your tank. You’ll learn how to read your fish and plants, how to interpret your water test results properly, and how to build habits that keep your aquarium stable, healthy, and thriving long-term. Whether you’re a new aquarist or you’ve kept tropical fish for years, this episode will help you avoid the silent errors that cost fish lives and money. 🎵Music: "Do It All For You (Instrumental)" - Garden Friend (Epidemic Sound: https://www.epidemicsound.com/music/tracks/a3b90e79-4bae-4989-b0cb-711a0a9b3e47/)

This episode takes a deep but practical look at overfiltering in freshwater aquariums and explains why more filtration isn’t always better for fish health or long-term stability. Many hobbyists unknowingly create stressed, fragile systems by using excessive flow, oversized filters, or overly aggressive mechanical filtration. You’ll learn how filtration affects fish behaviour, beneficial bacteria, and planted tanks, along with clear signs your aquarium may be overfiltered and how to fix it without sacrificing water quality. If your tank looks clean but never feels stable, this episode will help you rethink filtration from the fish’s point of view. 👉 Leave a review and share your experience to help other aquarists build calmer, healthier tanks. 🎵 Music: "In The Afterglow" - Thruent (Epidemic Sound - https://www.epidemicsound.com/music/tracks/2899677c-2b5e-35be-9990-0a37b4790348/)

In this Christmas holiday special of The Aquarist’s Edge, Art shares calm, practical Christmas and holiday aquarium rituals to keep your freshwater fish tanks thriving while life gets busy. From intentional end-of-year water changes and equipment check-ups to quiet observation sessions, you’ll learn how to turn maintenance into meaningful, repeatable habits. The episode also walks through a simple holiday game plan for feeding, travel, and maintenance.  Whether you keep planted community tanks, nano species, or larger freshwater setups, this episode will help you reset, reflect, and plan realistic aquarium goals for the year ahead without overwhelm. If you enjoy the show, please consider leaving a rating or review and sharing this episode with another freshwater hobbyist. 🎵 Music: "A Sleigh Ride Into Town" - Howard Harper-Barnes (Epidemic Sound - https://www.epidemicsound.com/music/tracks/3fc22dd4-5e4f-3ad7-a9f5-a64ec43e010f/) 🎵 Music: "You Let Go" - Thyra (Epidemic Sound - https://www.epidemicsound.com/music/tracks/115cd6d6-f18f-4489-a3c0-29337ae3c7ca/)

In this episode Art unpacks how to build a low-tech planted tank that genuinely stays low-maintenance. From choosing the right tank size, filter, and lighting, to selecting easy aquarium plants that thrive without CO₂, you’ll learn how to design a balanced freshwater ecosystem instead of an algae farm. We also walk through a step-by-step setup, a realistic weekly maintenance routine, and two deep troubleshooting segments on algae, plant melt, cloudy water, and fish stress. Whether you’re new to planted aquariums or you’ve struggled with so-called “easy” setups before, this episode is packed with practical, science-based advice you can actually use. Build a beautiful, stable, and relaxing low-tech planted tank that fits into normal life, not the other way around.   🎵 Music: "Hall Light - (Instrumental)" - Victor Lundberg (Epidemic Sound - https://www.epidemicsound.com/music/tracks/793dc5b1-8a39-498c-8ca3-eb87b6b3d692/)

In this episode Art takes a close look at the Siamese Algae Eater (Crossocheilus siamensis), one of the most misunderstood freshwater algae eaters in the hobby. Learn how to identify true SAEs vs common lookalikes, the ideal tank size, water parameters, and aquascaping for these active fish, and what they really eat once they discover pellets and flakes.  Whether you keep planted tanks or just want reliable algae control, this episode is packed with practical Siamese Algae Eater care tips, behaviour insights, and stocking advice to help you make smart choices. 🎵 Music: "Secret Garden" - J.F. Gloss (Epidemic Sound - https://www.epidemicsound.com/music/tracks/9e66f69f-12fe-4aa7-9cba-bb4616ec5217/)

In this episode of The Aquarist’s Edge, Arthur shares 10 easy, practical tips to make your freshwater aquarium healthier and more stable. From understanding the nitrogen cycle and preventing overstocking, to using live plants, smarter feeding habits, and creating consistent maintenance routines, you’ll learn exactly how to build a tank where fish truly thrive.  Whether you’re just starting with a small community tank or refining a larger setup, this episode is packed with actionable freshwater aquarium tips to improve water quality, reduce stress, and prevent disease. Mentioned in this episode: Why Fasting Your Fish Improves Their Health  🎵 Music: "Last To Leave (Instrumental Version)" - Victor Lundberg (Epidemic Sound - https://www.epidemicsound.com/music/tracks/62846aa0-d929-4309-abf0-87cfb3f896e5/)

In this episode of The Aquarist’s Edge, Art explores the real difference between Neon Tetras and Cardinal Tetras? From their natural habitats in the Amazon to their unique water chemistry, feeding habits, and breeding challenges, this episode gives you everything you need to know to care for these iconic species successfully. Learn how to identify each fish, understand their distinct needs, and create an environment where both can thrive. Whether you’re struggling to keep Cardinals healthy or curious about mixing the two in one tank, this episode delivers science-backed insights and real-world aquarium advice. 💬 Leave a review and tell us which tetra you prefer: Neons or Cardinals? Your feedback helps others discover The Aquarist’s Edge! 🎵 Music: "Close To Home" - Roots and Recognition (Epidemic Sound - https://www.epidemicsound.com/music/tracks/ed4518bf-3441-43e4-97f9-2072e9b57c99/)

Art breaks down the 10 most common freshwater aquarium setup mistakes and how to avoid them for good. Whether you’re cycling your first tank or perfecting your aquascape, this episode gives you the scientific background, real-world experience, and practical guidance every aquarist needs. Learn how to prevent new tank syndrome, balance your filtration, master temperature control, and design a tank that thrives long-term - all while keeping your fish healthy, calm, and colourful. This episode is your complete guide to setting up a thriving freshwater aquarium ecosystem that’s beautiful, stable, and stress-free. 👉 Leave a review and share your setup stories! Mentioned in this episode: Mastering Aquarium Placement 🎵 Music: 'Nested Above' - Rebecca Mardal, Guustavv (Epidemic Sound - https://www.epidemicsound.com/music/tracks/03c888bb-7003-4aa1-9cf0-e35a9d4dddba/)

In Part 2 of The Secret Language of Fish, Art continues exploring the quiet dialogue between aquarist and aquarium.Learn how to build trust with your fish, interpret stress and curiosity, and create an environment that encourages confident, natural behaviour.From establishing consistent routines to reading subtle emotional cues, this episode teaches you how to “speak back to the water.” ⭐ What You’ll Discover:• How consistency and calm movement build fish trust• The role of environment and lighting in fish communication• Recognising stress, fear, and curiosity in freshwater species• Turning feeding and maintenance into meaningful interaction• Why observation is the aquarist’s most powerful language 💬 Share your thoughts or experiences as a comment on this episode.  PART 1: How Your Fish Recognise And Communicate With You If you enjoy The Aquarist’s Edge, please leave a review and help other hobbyists discover the show. 🎵 Music: "Big Sky Country" - Rymdklang Sountracks (Epidemic Sound -https://www.epidemicsound.com/music/tracks/417a59be-6f86-47f8-8bf0-ff5ca1f7e5de/) Keywords: fish communication, aquarium behaviour, freshwater fish trust, aquarium observation, fishkeeping education, Art’s Fish Room, The Aquarist’s Edge Podcast

In this first part of The Secret Language of Fish series, Art explores one of the most fascinating mysteries for home aquarium keepers: how fish recognise and communicate with their keepers.Discover the science behind memory and perception in aquarium fish, learn to decode subtle body language, and understand how your daily rhythm shapes the way your fish respond to you. Whether you keep angelfish, bettas, or goldfish, this episode will help you see your aquarium in a whole new light; as a world of quiet signals and intelligent responses. ⭐ Topics include:• The myth of the “three-second goldfish”• How fish use sight, vibration, and chemical cues to recognise you• Reading fin posture and swimming patterns as communication• The beginnings of trust and fish-human interaction 💬 If you enjoy the show, please leave a review and help other aquarists find The Aquarist’s Edge. Keywords: fish recognition, freshwater aquarium behaviour, fish communication, aquarium tips, aquarist education, Art’s Fish Room Music: "Hold You Heart" - Epsilon Wave (Epidemic Sound: https://www.epidemicsound.com/music/tracks/a0a53696-a0ec-4a55-959a-e899edcd9b3a/)

From lowering blood pressure and improving sleep to easing anxiety and nurturing emotional balance, this episode investigates the research and shared experiences that show how aquariums affect the body, mind, and spirit. Drawing on studies from the University of Plymouth, Purdue University, and experts like Diana Walstad and Takashi Amano, Art reveals why the simple act of keeping fish can bring profound peace and wellness to your life. Whether you’re a seasoned aquarist or just starting your first tank, this episode offers practical insight, reflective storytelling, and real scientific evidence that will deepen your appreciation of the hobby and yourself. 🌿 Listen and learn how: Watching fish reduces stress and blood pressure Tank maintenance doubles as gentle, mindful exercise Aquariums provide emotional grounding and structure Fishkeeping fosters patience, empathy, and perspective Your aquarium can become a personal sanctuary for stillness 💬 Join the conversation:Has your aquarium helped your health or mental wellbeing? Share your story in the comments for this episode.  Referenced Studies & Sources Cracknell D. et al., “Viewing aquarium displays elicits a physiological and behavioural response.” Environment & Behavior (2015). https://pmc.ncbi.nlm.nih.gov/articles/PMC5081108/ Edwards N.E. & Beck A.M. “Animal-assisted therapy and nutrition in Alzheimer’s disease.” American Journal of Alzheimer’s Disease (2002). https://pubmed.ncbi.nlm.nih.gov/12365769/ Edwards N.E. et al., “The influence of aquariums on weight in individuals with dementia.” Journal of Nutrition Health & Aging (2013). https://pubmed.ncbi.nlm.nih.gov/23138175/ University of Plymouth, “Aquariums deliver health and wellbeing benefits.” (2015). https://www.plymouth.ac.uk/news/aquariums-deliver-health-and-wellbeing-benefits European Centre for Environment & Human Health, “Attention Restoration Theory – A Systematic Review.” (2017). https://www.ecehh.org/research/attention-restoration-theory-a-systematic-review/   ⭐ Call to Action:If this episode brings value to your day, please leave a rating or review. This helps The Aquarist’s Edge reach more fishkeepers around the world!   🎵 Music Credit: “Hearts” – Erik Fernholm (Epidemic Sound)https://www.epidemicsound.com/music/tracks/f073c9bd-8d62-4831-a631-bf7af7c3dcfd/

Art explores the fascinating world of freshwater aquarium snails. Are they helpful allies or invasive pests? The truth lies somewhere in between. From Malaysian trumpet snails and ramshorns to nerites and mystery snails, this episode explores the most common species aquarists encounter, their benefits to aquarium ecosystems, and the potential problems they can cause. You’ll learn practical snail control methods, prevention strategies, and even how to care for snails as intentional pets. Whether you’re battling an unexpected snail invasion or considering nerite snails for algae control, this episode provides practical, science-backed advice to help you manage your freshwater tanks with confidence. 📌 Key Topics Covered: Types of freshwater snails in aquariums Benefits of snails: algae control, detritus removal, substrate aeration Problems with overpopulation and plant damage Snail invasion troubleshooting and population control methods Caring for mystery and nerite snails as pets Prevention: quarantine, plant dips, and smart feeding Snails as ecosystem indicators and their role in nature 💬 Enjoyed this episode? Please leave us a review and share your snail experiences with the community! Music: "Coffee Shop Date (Instrumental)" - Jaydan Talley (Epidemic Sound - https://www.epidemicsound.com/music/tracks/a856a9ec-35d6-313e-9178-c25534c8a33a/)

In this episode of The Aquarist’s Edge, we examine the world of planaria in shrimp tanks - what they are, why they appear, and how to keep them under control. If you’ve ever spotted these flatworms gliding across your aquarium glass and worried about the safety of your shrimp colony, this episode will give you the clarity and tools you need. From identifying planaria versus harmless detritus worms, to understanding how they impact baby shrimp, to proven natural and chemical control methods, this episode is packed with expert guidance and practical tips. You’ll also learn long-term prevention strategies to keep your shrimp tanks balanced and thriving. Whether you’re struggling with a current infestation or simply want to be prepared, this is a helpful guide for every shrimp keeper. Music: "Swaying" - Candelion (Epidemic Sound: https://www.epidemicsound.com/music/tracks/b99559b7-b6ca-4bd8-b1d0-682f3c9411bf/)

We take a look at how to set up the perfect guppy tank. From the ideal tank size to the right temperature, pH, and water hardness, you’ll learn everything you need to create a stable environment where guppies thrive. Whether you’re a beginner struggling with constant guppy losses or an experienced aquarist looking to refine your setup, this episode is packed with scientific explanations, practical home aquarist tips and advice to help you succeed. Click here for more guppy care episode: Guppy Care Playlist on YouTube (Aquarist's Edge episodes) Music: "Just One More Day" - Kikoru (Epidemic Sound - https://www.epidemicsound.com/music/tracks/b59a9f47-4f3f-3dd2-85be-c8d1fab2f725/)

“Tannins Explained” takes you into the science and beauty of blackwater aquariums. In this episode of The Aquarist’s Edge, Art explores what tannins are, where they come from, how they influence water chemistry, and why so many softwater fish thrive in tannin-rich environments. From driftwood and Indian almond leaves to peat and alder cones, learn exactly how tannins transform your tank and how to use them safely. Whether you’re curious about why your driftwood stained your tank, how tannins lower pH, or which fish species benefit most from blackwater setups, this episode is packed with clear explanations, troubleshooting advice, and practical aquascaping tips. Mentioned in this episode: The Tint podcast: https://tanninaquatics.com/pages/inspiration Music: "West Coast Dreams" - Ben Curtis (Epidemic Sound: https://www.epidemicsound.com/music/tracks/07feeb8f-922a-4e5c-9a99-6737dba094f1/)

Art breaks down everything you need to know about setting up and maintaining a Betta sorority tank; with a focus on real-world success and scientific accuracy. Whether you're planning your first Betta community or you've tried before and struggled, this episode provides a guide into female Betta behavior, tank setup requirements, and the critical do’s and don’ts that make or break a sorority. From territorial psychology to line-of-sight aquascaping, we explain why most Betta sororities fail and how yours can succeed. You’ll also learn how to troubleshoot aggression, interpret tank dynamics, and know when to pull the plug on a failing group. 🎧 Perfect for beginner and intermediate freshwater hobbyists looking to keep multiple female Bettas in one tank, the right way.   Music: "Evergreen Fields" - Tape Machines (Epidemic Sound -https://www.epidemicsound.com/music/tracks/dbb5e762-9514-4f84-a6c1-1ba9f274ec2b/)

In this episode of The Aquarist’s Edge, Art explores one of the most debated questions in freshwater fishkeeping: live plants vs. fake plants. Should you choose natural greenery that supports your aquarium’s ecosystem, or go with artificial plants for convenience and simplicity? We break down the pros and cons of each option, from aesthetics and maintenance to water chemistry and fish health. Learn why live plants help reduce nitrates, improve oxygen levels, and control algae. Discover when fake plants might actually be the better choice. Plus, we troubleshoot common problems like plant melt, algae overgrowth, and cleaning artificial plants so you can avoid the most frustrating pitfalls. Whether you’re setting up your first aquarium or upgrading to a lush aquascape, this episode is packed with practical tips, scientific insights, and aquascaping strategies to help you succeed. Music: "We Were Dancing In The Dark" - Loving Caliber (Epidemic Sound - https://www.epidemicsound.com/track/swLZ5f3Aa5/)

In this episode we tackle the six most common, and preventable, mistakes that lead to fish deaths in freshwater aquariums. From skipping the nitrogen cycle to trusting clear water without testing, this episode delivers the science and strategy every beginner aquarist needs. You’ll learn: Why fish die suddenly in new tanks, How ammonia poisoning works and how to stop it, Why small tanks aren’t easier (and often deadlier), How to build habits that support long-term fish health. Whether you're setting up your first aquarium or fixing mistakes from your last one, this episode is a must-listen for hobbyists who want to do it right. Music: "Nylon String Theory" - Candelion (Epidemic Sound: https://www.epidemicsound.com/track/MelONMmV4K/)

In this episode of The Aquarist’s Edge, Art explores the fascinating world of heater-free and filterless aquariums. Can fish really thrive without equipment? Yes! When you understand how to balance plants, substrate, and stocking levels, your tank can become a self-sustaining ecosystem. You’ll learn the science behind natural filtration, temperature tolerance in fish, and how to set up a low-tech aquarium that works with nature instead of against it. We’ll cover planting strategies, substrate choices and manual maintenance routines.  Whether you’re curious about natural aquariums, low-tech fish tanks, or creating a sustainable setup without expensive equipment, this episode will guide you step by step. 👉 Leave a review to help more aquarists discover the show! Music: Run Devil Run (Instrumental version)- Eden Maze (Epidemic Sound - https://www.epidemicsound.com/track/IOTFnMzKv8/)

In today’s episode of The Aquarist’s Edge, we unpack the critical role of nutrients in freshwater aquariums: from how they fuel plant growth to how they trigger algae when mismanaged. Whether you're dosing fertilizers, battling green water, or simply wondering if your plants are starving, this episode has the answers. We explore the full nutrient cycle, explain how feeding affects water chemistry, and provide expert tips on managing nitrate, phosphate, and other key elements. We clarify what "dosing" actually means and how to do it safely. ✅ Learn to balance nutrients for a healthy ecosystem✅ Diagnose common plant deficiencies✅ Discover how to stop algae before it starts 🎧 Listen now to optimise your aquarium like a pro! Music: 'Jazz Bars' - Dusty Decks (Epidemic Sound - https://www.epidemicsound.com/track/bOn1vkNE0X/)

In this episode of The Aquarist’s Edge, we explore the wild origins of guppies and how their native habitats in South America and the Caribbean should inform the way we care for them in aquariums. From the evolutionary pressures that shaped guppy behaviour to the environmental conditions they evolved in, this episode offers a naturalistic approach to guppy keeping rooted in science and ecology. 🌿 Explore guppy behaviour in the wild📘 Discover the impact of selective breeding💡 Build tanks that support natural guppy instincts   Music: Love Hour (Instrumental) - Adelyn Paik (Epidemic Sound - https://www.epidemicsound.com/track/SvhhJiSY4q/)

Do you think you know the Nitrogen Cycle? Perhaps there's more to it... In today’s episode of The Aquarist’s Edge, we unpack the full complexity of the nitrogen cycle — going far beyond the basics to explore the real science that powers your aquarium's biological stability.  Learn how nitrifying bacteria actually work, why oxygen levels and substrate depth affect your biofiltration, and how nature handles nitrogen differently than most aquariums. We also explore why “cycled” doesn’t always mean “stable,” and what really causes crashes in systems that seem fine on the surface. 🎧 In this episode: The real microbes behind your biofilter (and why Nitrospira matters) What makes the nitrogen cycle stall — and how to troubleshoot it Why deep substrate zones and plant uptake help in long-term stability Music: Back Of My Mind (Instrumental) - Melanie Bell (Epsidemic Sound - https://www.epidemicsound.com/track/ItS8aIXVHb/)

In this in-depth episode of The Aquarist’s Edge, we uncover everything you need to know about GloFish – the genetically fluorescent fish that have captured both curiosity and controversy in the aquarium hobby. Whether you’re wondering how GloFish glow, whether they’re ethical, or how to care for them properly, this episode has the science, facts, and expert guidance you’ve been looking for. We’ll walk you through the history of GloFish, how they differ from dyed or painted fish, what their genetic modification really means, and how to set up a thriving tank. We also tackle common problems, legal breeding limitations, and what responsible fishkeeping looks like in the age of glowing pets. Whether you're a beginner aquarist or a long-time hobbyist, this comprehensive guide will help you understand the glowing truth behind GloFish.

Are snails, shrimp, and algae-eating fish really the ultimate aquarium janitors, or have they been given an unrealistic job description? We uncover the truth behind the clean-up crew myth.  We explore what clean-up crews actually do, why they can’t replace maintenance, and how to use them effectively in your tank. Learn about common myths, troubleshooting exploding snail populations, preventing shrimp die-offs, and practical steps to balance your aquarium ecosystem without relying on mythical solutions.

Are you spending hundreds on bottled bacteria, clarifiers, or pH adjusters without real results? In today’s episode of The Aquarist’s Edge, we unpack the science behind these products, explore why biology, consistency, and husbandry matter more than marketing promises, and learn practical ways to keep your aquarium thriving. With insightful quotes from renowned aquarists like Diana Walstad, George Farmer, Rachel O’Leary, and Takashi Amano, this episode will make you think twice before buying another product to add to your aquarium.

Goldfish are often seen as simple starter pets, but they’re so much more. In today’s masterclass episode of The Aquarist’s Edge, discover the true world of goldfish care. Learn their thousand-year history, the biology behind their unique needs, and detailed insights into goldfish varieties – from Commons to delicate Ranchus. Explore practical tank setups, powerful filtration strategies, goldfish-safe plants, feeding science, enrichment ideas, and solutions to common health problems to keep your goldfish thriving for decades.

Ever feel like your aquarium has a mind of its own? In this episode of The Aquarist’s Edge, we dive into the strange and puzzling phenomena that leave even seasoned aquarists scratching their heads. From vanishing fish to ghost algae that appear and disappear mysteriously, we're uncovering the science and offering real solutions to ten of the most bizarre aquarium mysteries. Whether you’re haunted by cloudy water, dealing with plant meltdowns, or wondering how snails invaded your tank overnight, this episode delivers deep insights with practical advice. * Mentioned in this episode: What Is Biofilm?

In this episode of The Aquarist’s Edge, we unravel the mystery of disappearing guppy fry - why it happens, what you can do about it, and how to raise healthy, thriving generations of guppies. From the evolutionary biology behind fry cannibalism to practical, science-backed strategies that home aquarists can implement right away. Whether you’re dealing with an unexpected population boom or trying to save every last fry, this episode is packed with advice that will take your breeding skills to the next level. 💬 Have you faced fry disappearances? Share your story in the comments or leave a review—we’d love to feature your tip in a future episode! * Mentioned in this episode: Guppy Genetics Made Simple - Guppy Genetics Made Simple

In this episode of The Aquarist’s Edge, we explore the key differences between Caridina and Neocaridina shrimp - two stunning genera that dominate the freshwater shrimp hobby. From water chemistry and care needs to breeding difficulty, compatibility, and strain variety, this guide is all about helping you figure out which shrimp are right for YOU. Whether you're a beginner setting up your first tank or an advanced hobbyist chasing high-grade Caridina, this episode will give you the clarity you need. 🎙️ Which type of shrimp fits your aquarium goals and skill level? Let’s find out. Referenced in this episode: What is biofilm?

What if your fish could tell you how they feel? In this episode of The Aquarist’s Edge, we explore the fascinating world of fish behaviour; from ancient instincts to modern cognitive science. Discover what drives your fish’s actions, how to decode their body language, and what research (including the famous goldfish-driving-a-tank experiment) tells us about how intelligent and emotional these animals really are. Whether you’re keeping bettas, cichlids, tetras, puffers, or clownfish, this episode is packed with expert tips to help you observe, understand, and enrich your fish’s world. 🔬 Learn how fish think, feel, learn, play, and communicate like never before.

In this episode of The Aquarist’s Edge, we break down the true economics of aquarium keeping using simple but powerful financial tools like ROI, break-even analysis, NPV, and amortization. Whether you're deciding between a budget heater and a premium one, or wondering if a canister filter is worth it, this episode gives you a toolkit to make smarter, safer, and more cost-effective choices. Host Arthur Preston explains each concept in everyday terms, with practical, real-world examples that show how better spending leads to better tanks and better outcomes for your fish. 💬 Learn how to: Compare budget and premium equipment with real ROI analysis Factor in long-term cost, time, and fish safety Use depreciation and opportunity cost like a pro aquarist This episode is a must-listen for anyone trying to balance their love for fishkeeping with a real-world budget.

In this episode we take a critical look at one of the most persistent myths in the hobby: that air bubbles from your filter automatically mean your fish are well-oxygenated. Spoiler alert: they don’t. We uncover the science behind gas exchange, explain why surface agitation matters more than you think, and offer proven solutions to improve oxygen levels where your fish need it most. You’ll learn how temperature, filter placement, and even seasonal changes can drastically impact oxygenation. If you've ever wondered how oxygen even gets into your water, this episode if for you!

Have you ever felt guilty for not feeding your fish? You may actually have helped make them healthier! In this episode of The Aquarist’s Edge, we explore the surprising science and practical benefits of fasting your community aquarium fish. Learn how strategic fasting improves digestion, reduces waste buildup, supports water quality, and mimics natural feeding rhythms. We cover species-specific advice, common myths, troubleshooting signs, and how to build a fasting schedule that supports long-term fish health. Whether you're caring for goldfish, bettas, corydoras, or a full community tank, this episode provides expert insights and actionable tips.

In this episode of The Aquarist’s Edge, we learn about the basics of care for the often-misunderstood Clown Loaches (Chromobotia macracanthus), covering everything from their natural habitat in Indonesian floodplains to their unique behaviours in the home aquarium. Whether you're housing juveniles or managing a mature shoal, you'll learn how to design the perfect tank, maintain ideal water conditions, feed for health and growth, prevent disease, and troubleshoot common problems.    You can search for Care Guides episodes in your favourite podcast app or go take a look at the Aquarist Edge Care Guide episodes on YouTube: Care Guides (YouTube playlist)   👉 Don’t forget to leave a review and share your thoughts.

In this episode of The Aquarist’s Edge, we answer one of the most critical and misunderstood questions in fishkeeping: Where should you place your aquarium? With expert-level insights, we cover everything from structural safety and natural light to temperature stability, noise, and real-life home scenarios. Whether you're setting up a nano tank or a 600-liter community display, this episode offers practical advice, troubleshooting solutions, and tips that will help you make the best decision for both you and your fish. 🗨️ Share your tank placement wins (or horror stories) by leaving a voice comment here: https://theaquaristsedge.podcastpage.io/contact You can also leave a review on your podcast app. Thank you for taking a moment to help us out!   Episode music:  Music track: November by Limujii Source: https://freetouse.com/music  Royalty Free Music for Videos (Safe)

The recently released documentary film entitled "Aquariums: The Dark Hobby" shines a light on the marine aquarium hobby's impact on Hawaii's reefs and the broader marine ecosystem. In this episode of The Aquarist’s Edge, we journey from marine coral reefs to freshwater riverbeds, uncovering what ethical, sustainable fishkeeping really means for freshwater aquarists. While marine hobbyists often face criticism, the freshwater world has its own victories—and its blind spots. We’ll explore the hidden carbon cost of our fishrooms, celebrate major breeding successes, and finish with several easy eco-friendly habits you can start this week to make a difference. No guilt trips - just practical wisdom and real-world examples to empower every hobbyist. 🌿 Don’t forget to leave a review and share your feedback: https://theaquaristsedge.podcastpage.io/episodes Aquariums: The Dark Hobby documentary: https://aquariumsthedarkhobby.com/   Project Piaba - creating sustainable freshwater aquarium trade: https://projectpiaba.org/

In this episode of The Aquarist’s Edge, we explore the art and science of building a vibrant planted aquarium without CO₂ injection. Learn how to choose the right plants, lighting, substrate, and layout strategies to create lush growth with minimal tech and maintenance. Whether you're a beginner or an aquascaper on a budget, this episode will help you build a tank that thrives naturally and looks amazing doing it. 📝 Feedback link as mentioned in the episode: https://theaquaristsedge.podcastpage.io/contact

In this week’s episode of The Aquarist’s Edge, we’re taking the mystery out of guppy genetics and turning it into a clear, beginner-friendly guide for hobbyists who want to breed stunning guppies right at home. From dominant and recessive genes to punnett squares and strain development, this episode is packed with practical insights, scientific explanations, and real-world advice you can apply to your own tank. Whether you’re curious why your fry don’t match the parents or you're ready to build your first breeding line, this is your go-to guide for understanding guppy heredity, trait tracking, and breeding strategy. Arthur mentions Punnet Squares in this episode. You can read more about how to use these with your guppy breeding project here: https://artsfishroom.co.za/understanding-guppy-genetics-a-beginners-guide-to-punnett-squares/ Mentioned in this podcast: "Are Our Guppies Weak?"

In this episode of The Aquarist’s Edge, we explore the use of aquarium salt - one of the most powerful, misunderstood tools in freshwater fishkeeping. From the science of osmoregulation to practical treatment techniques, we break down what salt does, when to use it, and when it can do more harm than good. Whether you’re dealing with parasites, stress, nitrite spikes, or simply wondering if salt belongs in your tank at all, this episode is packed with insights, real-life examples, and myth-busting clarity for hobbyists at every level. 🧂 Learn how to dose correctly, avoid common pitfalls, and understand the physiology behind salt use in aquariums. Share the podcast: https://theaquaristsedge.podcastpage.io

In this episode of The Aquarist’s Edge, we explore the slimy, often misunderstood layer of microbial life known as biofilm. We learn that is absolutely essential to the health and balance of your aquarium. From its critical role in biological filtration and nutrient cycling, to how it feeds shrimp, fry, and snails - we go deep into the science and practical applications of biofilm in both planted and non-planted setups. Whether you're cycling a new tank or fine-tuning a shrimp colony, this episode has everything you need to master the art of biofilm.

In today’s episode of The Aquarist’s Edge, we explore 10 incredibly useful tips for keeping your Cherry Shrimp healthy, colourful, and thriving. Whether you're starting a new colony or troubleshooting mysterious disappearances, this episode explores everything you need to know - from tank setup to feeding, water quality, breeding, and more. You’ll also learn how to avoid common mistakes, spot hidden dangers, and master the art of keeping shrimp safe in your community aquarium.   📝 Leave a review and tell us how your Cherry Shrimp are doing: https://theaquaristsedge.podcastpage.io/reviews   🐟 Check out Art’s Fish Room for all your shrimp supplies: https://artsfishroom.co.za

Interview with Tristan Fourie (@SimplyAquaticCT). In this episode of The Aquarist’s Edge, host Arthur Preston sits down with Tristan Fourie to discuss his journey in the aquatic hobby and his expertise in freshwater shrimp breeding. From starting out in fishkeeping to building a top-class shrimp room, Tristan shares his knowledge, experiences, and the importance of community in the hobby. 📌 Topics Covered: ✔️ How Tristan got started in the aquatic hobby ✔️ His journey to becoming a top shrimp breeder ✔️ The process of building a top-class shrimp room ✔️ Key tips for successful shrimpkeeping and breeding ✔️ The value of community in the fish and shrimp hobby   Follow Tristan here: YouTube: / @simplyaquaticct Instagram: / simplyaquaticct - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Home of The Aquarist's Edge podcast: https://theaquaristsedge.podcastpage.io

In this episode of The Aquarist’s Edge, we explore how to revitalize your aquarium fish through proper diet and supplementation. From DIY fish food recipes to nutrient-packed commercial supplements, this episode is your complete guide to enhancing your fish’s health. We break down the essential nutrients fish need for growth, immunity, and vibrant colouration while tackling common feeding mistakes that could be harming your aquarium. 🐠 Need top-quality aquarium supplies? Visit Art’s Fish Room: https://artsfishroom.co.za 🎧 Enjoying the show? Leave a review and share your thoughts!

Are angelfish the graceful beauties of the aquarium world, or are they secretly little troublemakers? In this extended episode of The Aquarist’s Edge, we explore the behaviour of angelfish, their natural instincts, and what causes them to turn aggressive. From ideal tank setups to managing aggression and choosing the right tankmates, we cover everything you need to know to keep your angelfish happy and your tank peaceful. *Please consider leaving a review of the podcast here: https://theaquaristsedge.podcastpage.io/reviews

In this episode of The Aquarist’s Edge, we explore everything you need to know about pregnant guppy care! From identifying pregnancy signs to advanced breeding techniques, we cover the best ways to ensure healthy fry and strong genetics. Whether you’re a beginner or an experienced aquarist, this episode has invaluable insights for you! 👉 Leave a review: https://theaquaristsedge.podcastpage.io/reviews👉 Visit Art’s Fish Room for all your aquarium needs: https://artsfishroom.co.za/

In this episode of The Aquarist’s Edge, host Arthur Preston explores some of the most debated practices in the freshwater aquarium hobby. From ethical dilemmas to scientific revelations, this episode unpacks the complexities of creating a thriving aquatic environment. Whether you’re a beginner or a seasoned aquarist, this episode is packed with insights that will make you rethink how you care for your tank and its inhabitants. Reflect on your own practices as Arthur discusses actionable steps to create healthier, more ethical aquariums. Tune in now to gain a fresh perspective on the hobby and learn how to make informed decisions that benefit both your fish and the planet. Keywords: freshwater aquarium, fishkeeping tips, ethical aquariums, aquarium science, tank maintenance, aquarium controversies, sustainable fishkeeping

Is your aquarium facing challenges like algae blooms, unexplained fish illness, or struggling plant growth? Before you reach for a quick fix, tune in to this episode of The Aquarist's Edge! We explore the aquarist's most powerful tool: a problem-solving mindset. Learn how to observe your tank like a scientist, identify the root causes of common problems, and develop effective action plans. From understanding water parameters to diagnosing fish diseases, we'll equip you with the knowledge and confidence to troubleshoot any aquarium issue. Plus, get practical examples of how to apply these techniques to algae control, fish health, and plant care. Become a master aquarist and create a thriving ecosystem!

Join us for an enlightening episode of The Aquarist's Edge, in which we explore the essential world of water chemistry! Have you ever wondered how the invisible elements in your aquarium can impact the health and happiness of your fish? In this episode, we demystify the critical parameters of water chemistry, including pH, ammonia, nitrite, nitrate, general hardness (GH), and carbonate hardness (KH). Discover practical methods to balance these parameters effectively and learn which species thrive under specific conditions. Whether you're a seasoned aquarist or just starting out, our host will guide you through hands-on techniques to create a stable aquatic environment.  From adjusting pH levels with natural materials to understanding the nitrogen cycle's role in maintaining water quality, this episode is packed with valuable insights. Plus, we’ll explore how changes in water chemistry can affect your fish's well-being and behaviour. Tune in to gain the knowledge you need to ensure your aquarium flourishes! Whether you're looking to enhance your existing setup or start fresh, this episode is a must-listen for anyone passionate about aquatic life. Don’t miss it!

Whether you’re setting up a vibrant planted tank, creating a haven for burrowing fish, or exploring a unique, biotope-inspired setup, the substrate you choose plays a critical role in your aquarium's success. We explore the pros and cons of popular options like gravel, sand, and aquarium soil, while also venturing into creative alternatives like leaf litter, botanicals, and even twigs. Plus, we introduce an unusual substrate idea that might spark your imagination.  Join us as we uncover how substrate impacts plant growth, fish behavior, and overall aesthetics, and discover practical tips to make your aquarium thrive. By the end of this episode, you’ll have the knowledge and inspiration to create a stunning, tailored underwater world!

Are some of the things you’ve heard about fishkeeping actually myths? In this episode of The Aquarist’s Edge, we tackle five myths we must stop believing, and spreading, in the aquarium hobby. We’ll explore what’s fact, what’s fiction, and how these myths could be affecting your aquarium’s success.

Whether you’re just starting your fishkeeping journey or looking for low-maintenance additions to your tank, we’ve got you covered. From the colourful and peaceful guppy to the fascinating bristlenose pleco, we explore species that are easy to care for, resilient, and perfect for community tanks. Learn practical care tips, water parameter preferences, and feeding recommendations for popular species like Betta Fish, Neon Tetras, Corydoras Catfish, and Harlequin Rasboras. Plus, we dive into the benefits of adding shrimp and snails to your aquarium for natural tank maintenance. This episode is packed with expert advice, ideal for beginners and seasoned aquarists alike. Tune in to ensure your freshwater tank thrives with happy, healthy fish! 🎙️ Don’t miss out - subscribe to/follow The Aquarist’s Edge for weekly tips, tricks, and expert advice!

Curiosity isn’t just for cats - it’s the key to thriving in the aquarium hobby! In this episode of The Aquarist’s Edge, we explore how asking the right questions, embracing mistakes, and experimenting with new ideas can transform your home aquarium into a vibrant ecosystem. Whether you're battling algae, experimenting with planted tanks, or learning the ropes of fish breeding, this episode is packed with insights to inspire and empower aquarists of all levels. Join us as we explore the joy of discovery and build a deeper connection with the aquatic world!   Mentioned in this episode: SimplyAquaticCT - visit the YouTube channel here: https://www.youtube.com/@SimplyAquaticCT - well worth a visit! Leave a comment and tell him I sent you!

Are you ready to transform your guppies into a vibrant display of aquatic beauty? This episode reveals the secrets to achieving stunning colours in your guppies. Learn how to harness the power of genetics, master selective breeding, and create the perfect aquarium environment to make your guppies glow. There are practical tips on choosing the right lighting, maintaining optimal water conditions, and feeding a nutrient-rich diet that enhances guppy coloration. Common myths are addressed, stress-reduction strategies are shared, and you will be guided through advanced techniques for breeding guppies with brilliant hues. Whether you’re a beginner or a seasoned aquarist, this episode is packed with actionable insights to help your guppies stand out in every shade of the rainbow. Listen now and discover how to make your guppy tank a true underwater masterpiece!

Start the New Year right with The Aquarist's Edge! In this episode, we explore 10 New Year's Resolutions for Fishkeepers to make the coming year your most successful fishkeeping year yet. From enhancing water quality and upgrading equipment to mastering aquascaping techniques and reducing algae growth, we dive deep into practical tips and creative ideas to elevate your aquarium game. Whether you're planning to breed fish, join an aquarist community, or document your journey, this episode is packed with inspiration to help you and your aquatic companions thrive. Tune in and let’s make next year one to remember in the world of fishkeeping!

In this episode of The Aquarist's Edge, we explore five common mistakes that aquarium keepers - both new and experienced - often encounter. From overstocking your tank to neglecting the nitrogen cycle, we unpack these pitfalls and share practical tips to help you maintain a thriving, stress-free aquatic environment. Along the way, we also delve into other mistakes that we've all made along the way in this hobby! Whether you're just starting out or looking to refine your fishkeeping skills, this episode is packed with actionable insights to make your aquarium journey more rewarding. Tune in and join the conversation—your fish will thank you!

Discover the captivating world of nano aquariums in Small Tanks, Big Rewards: Mastering the Art of Nano Aquariums! In this episode, we explore everything you need to know about creating and maintaining stunning nano tanks - those compact aquatic marvels under 40 litres. Whether you're a beginner starting small or a seasoned aquarist looking for a rewarding challenge, this podcast is packed with tips, insights, and inspiration to help you build your dream underwater oasis. Learn how to select the perfect tank, create a stunning aquascape, and care for your fish, plants, and invertebrates in a small yet impactful environment. Along the way, Arthur will share secrets to making a nano tank not just a home for aquatic life but a centerpiece of your space. We’d love to hear from you! Share your nano aquarium photos and stories with us at admin@artsfishroom.co.za, and you might be featured in an upcoming episode or on our social media. Let’s celebrate the big rewards of small tanks together! Listen now and transform your nano aquarium journey today!

In this episode of The Aquarist’s Edge, Arthur Preston explores the world of community aquariums, sharing tips and insights on how to create a peaceful, vibrant underwater ecosystem. Whether you're a beginner or looking to refresh your tank, Arthur introduces three versatile setups featuring five fish species each - ranging from beginner-friendly classics like Neon Tetras and Corydoras Catfish to algae-eating Otocinclus and fascinating invertebrates like Cherry Shrimp. Discover how to choose compatible fish, balance your tank's layers, and keep things simple yet stunning.

In this episode of The Aquarist's Edge, we’re shining a spotlight on the common neon tetra, one of the most popular freshwater fish in the aquarium hobby. Join host, Arthur Preston, as he explores everything you need to know about caring for these vibrant fish, from their ideal habitat to their dietary requirements and social behaviors. This episode is packed with valuable information for both beginner and experienced aquarists looking to enhance their knowledge about caring for neon tetras. Listen now to learn how to create a thriving aquatic environment that showcases the beauty of these colourful fish while ensuring their health and happiness. Whether you're setting up your first aquarium or looking to expand your existing setup, this episode will provide you with practical tips and insights into the world of neon tetras.

In this episode of Aquarist's Edge, hosted by Arthur Preston, dive into the world of planted aquariums. Discover why live plants are more than just decoration The episode also tackles the subject of carbon dioxide: when it's necessary, how to implement it, and how it can vastly improve plant health and reduce algae. Learn about the importance of substrate and how it supports plant growth, along with practical tips on choosing the right soil, gravel, or sand for your setup. Arthur wraps up with a section on frequently asked questions to resolve common concerns about plant maintenance, ensuring both thriving flora and fauna in your home aquarium.

Welcome to this episode of Aquarist's Edge, where host Arthur Preston dives into the essentials of tank maintenance for both new and experienced aquarium enthusiasts. He shares the wisdom gathered from managing 30 different tanks, discussing how routine maintenance is crucial for a healthy aquatic ecosystem. Arthur explores the balance between natural and pristine aquarium aesthetics, sharing advice on setting maintenance schedules appropriate for different types of tanks. Whether it's routine water changes or mastering sponge filter efficiency, Arthur offers practical tips for every aquarist. Listen now to learn how to maintain your aquarium joyfully without it becoming an onerous task, and remember, maintenance is not just a task, it's a key part of aquarium keeping.

In this festive episode of the Aquarist's Edge, host Arthur Preston dives into the holiday spirit, offering a comprehensive gift guide for aquarium enthusiasts of all levels. Whether you're buying for a seasoned aquarist or a beginner, discover a range of thoughtful and practical gift ideas to enhance their aquarium experience. Arthur discusses must-have items as well as some gifts for the more experienced fishkeeper.  Listen to this episode today to hear ideas to make this holiday season extra special for the fishkeepers in your life!