How to Set Up a 10 Gallon Aquarium (and Cycle It Properly)
A start-to-stocking guide for your first 10 gallon aquarium, including the nitrogen cycle the pet store probably didn't mention. Six weeks to a healthy tank.
Fish
3 articles
A healthy aquarium is a small, balanced ecosystem — and getting it right is more about water and patience than luck. The Fish collection covers tank sizing, cycling, stocking, and the common mistakes that quietly stress or sicken fish.
We base our advice on established aquarium science and aim to set realistic expectations, because the difference between a thriving tank and a struggling one usually comes down to a few fundamentals done properly.
Dive into the guides below to build a tank your fish can genuinely thrive in.
Betta Fish Tank Size: Why 5 Gallons Is the Real Minimum
Betta fish can survive in a bowl—they shouldn't. Science-backed guidance on why 5 gallons heated and filtered is the real minimum for betta health and lifespan.
Why Is My Fish Dying? Diagnosis, Action, and When It's Too Late
Your fish is showing signs of distress. This guide walks you through water quality checks, visible symptoms, and realistic next steps — most fish deaths are.