Have a canister filter. I hear many thoughts on when to change filter media. I rinse it once a month but haven't changed any media. I'm curious to see the thoughts here. Advice is appreciated, thanks.
Btw...36 gallon. 18 small fish. Sand bottom. Fed once, sometimes two daily. Regular water changes....
Btw...36 gallon. 18 small fish. Sand bottom. Fed once, sometimes two daily. Regular water changes....