Cleaning a fish tank is a delicate process. Discover how to change water without throwing a tank's ecosystem into disarray.

A clean fish tank looks great and provides a nice home for your fish. Over time, chemicals like nitrates can build up in your fish tank, which leads to a cloudy appearance. Even if you use a fish tank ...

Buckets or bags should be clean and free of soap residue. Even small traces of chemicals can be harmful to fish. Avoid chasing fish around the tank. Use a soft net and slow movements to minimize ...