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PODCAST

The Aquarist’s Edge [Weekly Aquarium Podcast]

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.

kids & family pets & animals

All Episodes

16:05

Why Won’t My Pregnant Guppy Give Birth?

The Aquarist’s Edge [Weekly Aquarium Podcast] ·

2026/10/11

Has your guppy looked ready to give birth for weeks, with still no fry in sight? In this episode Art explains why a pregnant guppy might not be giving birth. He covers gestation, stored sperm, the late-pregnancy signs to watch for, and how to tell a gravid female from one that’s bloated or ill. It’s for any fish keeper staring at a round guppy and wondering what to do next.💬 Join the conversation: Have you had a guppy who seemed pregnant forever? Did she eventually drop a brood, or did it turn

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15:00

How to Actually Improve Fish Colour (Diet Isn't the...

The Aquarist’s Edge [Weekly Aquarium Podcast] ·

2026/08/29

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

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16:58

Is Fishkeeping Really An Accessible Hobby?

The Aquarist’s Edge [Weekly Aquarium Podcast] ·

2026/08/15

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

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17:23

Corydoras Care Guide: Tank Setup, Feeding, Water...

The Aquarist’s Edge [Weekly Aquarium Podcast] ·

2026/08/10

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

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29:13

Keeping Indoor Fish Outdoors

The Aquarist’s Edge [Weekly Aquarium Podcast] ·

2026/06/15

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,

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16:02

Best Schooling Fish for Home Aquariums (Shoaling vs...

The Aquarist’s Edge [Weekly Aquarium Podcast] ·

2026/05/23

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

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18:41

Unusual Everyday Foods You Can Safely Feed Freshwater...

The Aquarist’s Edge [Weekly Aquarium Podcast] ·

2026/05/17

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,

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10:09

Why Minerals Matter in Your Freshwater Aquarium: GH,...

The Aquarist’s Edge [Weekly Aquarium Podcast] ·

2026/04/25

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,

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12:55

Activated Carbon (Charcoal) in Aquariums: What It...

The Aquarist’s Edge [Weekly Aquarium Podcast] ·

2026/04/18

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.

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23:10

Aquarium Lighting Explained: PAR, Spectrum, Algae &...

The Aquarist’s Edge [Weekly Aquarium Podcast] ·

2026/03/29

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

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17:07

10 Proven Ways To Make Your Aquarium Healthier

The Aquarist’s Edge [Weekly Aquarium Podcast] ·

2026/03/15

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

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13:12

How to Coax Out Shy Fish - Proven Tips to Make...

The Aquarist’s Edge [Weekly Aquarium Podcast] ·

2026/02/28

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

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15:28

Unusual But Easy Fish For Your Freshwater Aquarium

The Aquarist’s Edge [Weekly Aquarium Podcast] ·

2026/02/20

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

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17:23

Why the Freshwater Aquarium Hobby Needs You: Better...

The Aquarist’s Edge [Weekly Aquarium Podcast] ·

2026/01/31

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

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18:21

Flip The Script On Algae

The Aquarist’s Edge [Weekly Aquarium Podcast] ·

2026/01/24

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

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12:02

Endlers vs Guppies Explained: Species Differences,...

The Aquarist’s Edge [Weekly Aquarium Podcast] ·

2026/01/17

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

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19:08

Stop Killing Your Guppies With Perfect Water

The Aquarist’s Edge [Weekly Aquarium Podcast] ·

2026/01/10

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

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9:29

Stop Overfiltering Your Aquarium - Why Too Much...

The Aquarist’s Edge [Weekly Aquarium Podcast] ·

2025/12/13

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

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15:18

10 Tips For A Healthy Freshwater Aquarium

The Aquarist’s Edge [Weekly Aquarium Podcast] ·

2025/11/16

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

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11:02

Neon Tetras vs Cardinal Tetras: What’s the...

The Aquarist’s Edge [Weekly Aquarium Podcast] ·

2025/11/08

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

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43 results

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