Originally posted by: notfred
You're supposed to change 1/2 the fishes water at atime (cause they get used to the chemicals and bacteria levels in the water they're in, ad you don't want to change it too much at once), and you're supposed to replace water w/ the same temp water as you removed.
Originally posted by: LordJezo
What about cleaning the bottom of the tank and such? Wouldnt you need to take all the water out to get to that part?
I don't keep it in one of those tiny hex tanks. He enjoyed being in a bigger tank much better.