ok so now i'm at a stand still, i'm gonna have a mixed reef with all three types of corals, so at the lfs i can get a tunze turbelle nanostream 6025(660-gph) for $68, or i can get a hydor koralia-4 (1200 gph) for only $58, so i'm wondering what would suit my needs more for a 33-gallon, a small tunze or a big koralia?
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