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206 Posts
My canister filter seems to slowly be making my tank look better, but it's still not as good as my two HOBs. I think it'll get there eventually, but I'm thinking that maybe a powerhead will help circulate the tank better. I have the spray bar against the back of the tank on the left side, and the intake is in the center of the right side about 1/3 up from the bottom of the tank. If I get a small powerhead, where would be a good place for it to help move debris to the intake?