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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.
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.
Episodes

7 days ago
7 days ago
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.

Monday Jun 15, 2026
Keeping Indoor Fish Outdoors
Monday Jun 15, 2026
Monday Jun 15, 2026
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.

Saturday May 23, 2026
Best Schooling Fish for Home Aquariums (Shoaling vs Schooling Explained)
Saturday May 23, 2026
Saturday May 23, 2026
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?

Sunday May 17, 2026
Unusual Everyday Foods You Can Safely Feed Freshwater Aquarium Fish
Sunday May 17, 2026
Sunday May 17, 2026
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.

Saturday May 02, 2026
Why Guppies Are So Fun to Keep - Colour, Personality, Easy Care & Fry Surprises
Saturday May 02, 2026
Saturday May 02, 2026
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.
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guppy fish, guppies, guppy care, guppy tank setup, livebearer fish, freshwater aquarium fish, guppy breeding, planted tank guppies, beginner fishkeeping

Saturday Apr 25, 2026
Saturday Apr 25, 2026
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.

Saturday Apr 18, 2026
Saturday Apr 18, 2026
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.

Saturday Apr 11, 2026
Saturday Apr 11, 2026
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.

Background Info
The Aquarist’s Edge was born out of a passion for sharing knowledge and supporting fellow home aquarists. Recognizing that many in the fishkeeping community were looking for reliable, accessible information, host Arthur Preston created this podcast to equip hobbyists with the insight and practical tips they need to succeed. Each episode is crafted to offer valuable guidance on everything from fish care and breeding to aquarium setup and maintenance, providing listeners with the tools to grow in their fishkeeping journey.
Arthur Preston, the voice behind The Aquarist’s Edge, is also the owner of Art’s Fish Room ; be sure to visit the site for expert advice and quality products.
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