I was wondering on how long one should last but more importantly, what steps need to be taken before switching one out.
I was thinking that it would be a good idea to drop the new one into the tank for a month or so before switching.
Has anyone ever changed a bio-wheel before?
I was thinking that it would be a good idea to drop the new one into the tank for a month or so before switching.
Has anyone ever changed a bio-wheel before?