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- Aug 8, 2009
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So I recently started my 225 gallon reef tank. Most of the livestock is moved from my 90 gallon plus a lot more live rock. Right now I have a blue tang, foxface and two clowns and about 200+ pounds of live rock with some polyps on them. My lighting right now is 4 T5 daylights and 2 T5 actinics and I was wondering if metal halides are going to be a necessary addition to my lighting. My tank is 30" deep. Is my lighting sufficient or not? I don't have any experience keeping corals in such a large tank so I want to make sure I'm getting the lighting that I need.