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.

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

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.