J
jaytreason
Guest
Are those good for your tank?
I read that they could help take a lot of bad stuff out of your tank but I heard someone say that they can also hurt your tank...
so... should I keep mine or just get rid of it?
I read that they could help take a lot of bad stuff out of your tank but I heard someone say that they can also hurt your tank...
so... should I keep mine or just get rid of it?