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- Jul 23, 2009
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Does anybody here use hang-on filters for their reef tank?? I really have no prblem with my emperor-400 hang on filter and aqua-c remora hang-on protein skimmer for my 72 gal. I only have zoas/mushrooms/ricordea with 3 clown fishes. I really don't have problems except minor hair algae on some rocks which I scrape it off. I'm really pushing forward with getting a refugium, but wanted to know if I really need to have it. Thanks

