Podcast Episodes

Tannins Explained: Blackwater Aquariums, Fish Health, and the Science of Tea-Stained Water

Season 2 Episode 39

“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 wate…

Published on 10 hours ago

Betta Sorority Tank Guide: Proven Do’s, Dangerous Don’ts & Science-Backed Success

Season 2 Episode 38

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 Bett…

Published on 6 days, 11 hours ago

Aquarium News of the Week - 30 August 2025

Episode 3

Welcome to this week’s edition of The Aquarist’s Edge, your trusted source for freshwater aquarium news and insights. Join Arthur Preston as we explore ten fascinating stories that connect science, c…

Published on 2 weeks ago

Live vs. Fake Aquarium Plants: Pros, Cons, and Care Tips for Every Aquarist

Season 2 Episode 37

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 aq…

Published on 2 weeks, 1 day ago

5 Beginner Mistakes That Kill Fish

Season 2 Episode 36

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, th…

Published on 3 weeks ago

Heater-Free & Filterless Aquariums: How to Build a Balanced Low-Tech Tank

Season 2 Episode 35

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 p…

Published on 3 weeks, 6 days ago

Aquarium Nutrients Explained: Feeding, Algae, Plant Health & Dosing Tips

Season 2 Episode 34

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 …

Published on 1 month ago

Aquarium News Of The Week - 03 August 2025

Episode 2

This week's Aquarium News shares stories of how science and fishkeeping collide in fascinating ways. Discover why deep-sea fish are rewriting our understanding of the carbon cycle, how new muscle res…

Published on 1 month, 1 week ago

Where Guppies Come From & Why It Matters

Season 2 Episode 33

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. Fr…

Published on 1 month, 1 week ago

Aquarium News Of The Week - 27 July 2025

Episode 1

The first of a regular news update featuring headlines and reports about the freshwater aquarium hobby from around the globe. 

In this episode:

🧬 Hear about the discovery of a ghostlike electric knif…

Published on 1 month, 2 weeks ago