Topic

Freshwater Aquariums

Community tanks, species profiles and water chemistry made approachable — everything you need for a healthy, happy freshwater aquarium.

Freshwater 7 min read

Which fish can safely share a tank with cherry and Amano shrimp? A practical guide to stocking invertebrates without them becoming snacks.

Hannah Brooks

Freshwater 7 min read

A list of ten resilient freshwater species that tolerate parameter swings and rookie errors while you build your fishkeeping skills.

Hannah Brooks

Freshwater 7 min read

Meet the corydoras catfish, a peaceful, social bottom-dweller. Learn ideal group size, substrate needs, and feeding for healthy cories.

Hannah Brooks

Freshwater 7 min read

Compare sponge, hang-on-back, and canister filters by tank size, cost, and maintenance to find the best fit for your aquarium.

Hannah Brooks

Freshwater 7 min read

Cloudy water in a new aquarium is usually a bacterial bloom, not a crisis. Learn the real causes and the patient fixes that work.

Hannah Brooks

Freshwater 7 min read

Compare the three most popular livebearers on hardiness, breeding, and care so you can pick the right starter fish for your tank.

Hannah Brooks

Freshwater 7 min read

Everything new keepers get wrong about bettas, from bowl living to heating, plus what a healthy betta setup actually requires.

Hannah Brooks

Freshwater 7 min read

A plain-language explainer of pH, general hardness, and carbonate hardness so you can match fish to your tap water with confidence.

Hannah Brooks

Freshwater 7 min read

Learn how to combine peaceful freshwater species, plan bioload, and avoid aggression when stocking a thriving community aquarium.

Hannah Brooks

Freshwater 7 min read

A step-by-step walkthrough for setting up your first freshwater aquarium, from choosing a tank size to adding your first fish safely.

Hannah Brooks

The Water Change