What are you talking about? How does this relate to under gravel filters?MPLSdunk;3012309; said:i would just get an emperor 400 and take the carbon out of the cartridges and be done with it.
oh lol that makes sense now. I was like WTF is he talking aboutMPLSdunk;3012371; said:haha oops. i meant that to be in the thread where he was asking for a canister for for a 30g.

MPLSdunk;3012306; said:i have an ugf on my 72 powered by a mag 350 and a huge azoo air pump. i always have 0 nitrates.