Running a home aquarium costs less each month than most people expect, and the number is mostly electricity. H...

A calm guide to aquascaping a home tank: how substrate, hardscape, plants, and light work as one system, the o...

The health of your tank starts with where the fish came from. What a well-run shop's tanks look like from the...

A new baby does not have to mean rehoming the tank. How to make an aquarium safe around infants, toddlers and...

Fish dying one by one in a new tank is almost never bad luck or disease — it is new tank syndrome, an invisibl...

A large aquarium is a body of water living inside a building. Here is what it does to the room around it — eva...

A vendor-neutral guide to picking an aquarium heater: the heater types compared, how to size wattage for your...

A step-by-step walkthrough for setting up a cherry shrimp tank that actually holds a colony — tank size, safe...

The best water parameters for a freshwater aquarium: target ranges for ammonia, nitrite, nitrate, pH, GH, KH,...

Those white grains on your fish are almost certainly ich. Learn to identify white spot disease, understand its...

Most fish fights start at the store, not in the tank. Learn how to match fish by water parameters, temperament...

The filter is the most important piece of gear in your tank — and the easiest to get wrong. Compare the five a...