Episodes

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 n...

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 th...

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 a...

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 t...

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 t...

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. Yo...

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, ...

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 ...

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 upgradi...