funny you brought this up. This last weekend that is just what I did. I removed my UGF and it seems like my tank is easier to keep clean. I know some people like them, I also hated my P's running into the up tubes.RhomZilla said:Here comes the start of a debate with UFG's (under gravel filter). I suggest you rip out your UGF and just use the powerhead presently in the tank and replace the filteration with a canister and/or with an external.
I understand what you meant, but it still remains irrelevant at night time as oxygen is consumed rather than produced.Sir Nathan XXI said:no I meant in a 24 hour cycle of producing and consuming, that they consumed less than they produced