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Unread 05/20/2014, 05:43 AM   #22
Jeremy B.
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Join Date: May 2001
Location: Indianapolis, IN / Muncie, IN
Posts: 8,219
I agree with Albert, if I were doing a 250 on a 36" tank I would try and do two. Having said that I think that a single 400w would work pretty well too, but the overall coverage still wouldn't be as good as 2 x 250's. The aquascaping of the tank will play a big part in this as well. If it's a very open aquascape with the majority of the corals to the center of the tank and not stretched out to the end panels, then a single 250 could be more than plenty for you.


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