consider investing in a high-grade filter. The right size, strength, and brand will depend on many factors, including your fish tank’s gallonage. As a rule of thumb, a 20-gallon fish tank should ...

Endler's don't need a very big tank – a 20-gallon is more than enough for around four of them, but you'll have to increase the size if you add more fish. They like high pH water, can tolerate a pretty ...

In a monumental effort to grow fish, Rob and Harry Hales ... The father-and-son duo have custom-built a high-tech system that includes an indoor 12,000-gallon tank, aerators, bacteria showers ...