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

Buckets or bags should be clean and free of soap residue. Even small traces of chemicals can be harmful to fish. Avoid ...

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 ...