large water changes

Why Are My Fish Staying At Top Of Tank?

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A fish may linger near the surface because he’s trying to breathe more easily Remember, fish breathe dissolved oxygen—not oxygen that is already combined in the H2O molecule. Naturally, these dissolved oxygen levels tend to be higher near the surface, where interaction between air and water takes place. What to do if fish are swimming … Read more

How Many Neon Tetras Should Be Kept Together?

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neon tetras are a schooling species, so you should keep a minimum of six to ten neon tetras together in one tank. Neon tetras will feel uncomfortable, get stressed, and maybe even die if you keep too few of them together. Additionally, neon tetras are active fish that require plenty of swimming space. What kind … Read more