The Aquarist’s Edge [Weekly Aquarium Podcast]

Arthur Preston

The Aquarist’s Edge is your trusted source for all things freshwater fishkeeping. Hosted by Arthur Preston of Art’s Fish Room, this podcast dives into the latest aquarium news, expert advice, species spotlights, and practical tips for hobbyists of all levels. Whether you're breeding guppies or setting up your first tank, The Aquarist’s Edge brings insight, inspiration, and community to your fishkeeping journey.

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20 episodes
Updated Yesterday

Episodes20

Newest first

The Most Important Questions To Ask Before Choosing An Aquarium Fish
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
Yesterday · 13 min
5 Simple Changes For A Healthier Freshwater Aquarium
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
July 20 · 13 min
No Aquariums Allowed? How to Be a Fishkeeper Without Owning a Tank
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
July 15 · 13 min
5 Most Common Fish Diseases and How To Treat Them
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
July 10 · 15 min
Aquarium Burnout Is Real - How To Recover Without Quitting Fishkeeping
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
July 4 · 17 min
Aquarium Perfectionism: How to Stop Comparing Your Fish Tank and Enjoy the Hobby Again
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
June 27 · 17 min
Keeping Indoor Fish Outdoors
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
June 15 · 29 min
Best Schooling Fish for Home Aquariums (Shoaling vs Schooling Explained)
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
May 23 · 16 min
Unusual Everyday Foods You Can Safely Feed Freshwater Aquarium Fish
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
May 17 · 18 min
Why Guppies Are So Fun to Keep - Colour, Personality, Easy Care & Fry Surprises
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
May 2 · 15 min
Why Minerals Matter in Your Freshwater Aquarium: GH, KH, Fish Health & Plant Growth Explained
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.
April 25 · 10 min
Activated Carbon (Charcoal) in Aquariums: What It Does, When to Use It, and Common Myths
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.
April 18 · 12 min
How to Build a Low-Stress Aquarium: A Stable, Low-Maintenance Freshwater Setup for Busy Fishkeepers
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.
April 11 · 14 min
The Joy And The Stress Of Aquariums
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.
April 3 · 14 min
Aquarium Lighting Explained: PAR, Spectrum, Algae & How to Choose the Right Fish Tank Light
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.
March 29 · 23 min
The Filter Isn’t a Box: How Flow, Oxygen & Biofilm Make (or Break) a Healthy Freshwater Aquarium
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
March 20 · 17 min
10 Proven Ways To Make Your Aquarium Healthier
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.
March 15 · 17 min
The Phase Where Most Aquarists Quit
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/)
March 7 · 14 min
How to Coax Out Shy Fish - Proven Tips to Make Freshwater Fish Feel Safe
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/)
February 28 · 13 min
Unusual But Easy Fish For Your Freshwater Aquarium
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/)
February 20 · 15 min

The Aquarist’s Edge [Weekly Aquarium Podcast]

The Most Important Questions To Ask Before Choosing An Aquarium Fish

5 Simple Changes For A Healthier Freshwater Aquarium

No Aquariums Allowed? How to Be a Fishkeeper Without Owning a Tank

5 Most Common Fish Diseases and How To Treat Them

Aquarium Burnout Is Real - How To Recover Without Quitting Fishkeeping

Aquarium Perfectionism: How to Stop Comparing Your Fish Tank and Enjoy the Hobby Again

Keeping Indoor Fish Outdoors

Best Schooling Fish for Home Aquariums (Shoaling vs Schooling Explained)

Unusual Everyday Foods You Can Safely Feed Freshwater Aquarium Fish

Why Guppies Are So Fun to Keep - Colour, Personality, Easy Care & Fry Surprises

Why Minerals Matter in Your Freshwater Aquarium: GH, KH, Fish Health & Plant Growth Explained

Activated Carbon (Charcoal) in Aquariums: What It Does, When to Use It, and Common Myths

How to Build a Low-Stress Aquarium: A Stable, Low-Maintenance Freshwater Setup for Busy Fishkeepers

The Joy And The Stress Of Aquariums

Aquarium Lighting Explained: PAR, Spectrum, Algae & How to Choose the Right Fish Tank Light

The Filter Isn’t a Box: How Flow, Oxygen & Biofilm Make (or Break) a Healthy Freshwater Aquarium

10 Proven Ways To Make Your Aquarium Healthier

The Phase Where Most Aquarists Quit

How to Coax Out Shy Fish - Proven Tips to Make Freshwater Fish Feel Safe

Unusual But Easy Fish For Your Freshwater Aquarium