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Now that I know about RUGFs they seem like a great idea. In fact I've already bought and put in he ugf. I still need to get the power head though. @ DrRob I haven't considered a Hamburg be aide I have no idea what that is.

I'm setting up a new tank and I intend to add an undergravel filter for additional filtration along with my power filter. I'm skeptical about how well they work though. I have read conflicting opinions. Some have said that they don't work well for biological or mechanical filtration while I...