I have 400W MH on my tank and I do like the shimmer effect of MH bulbs ... however to say MH are a necessity is inaccurate
check out this SPS/LPS tank run on T5's
http://reefcentral.com/forums/showth...5&pagenumber=1
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Steve
“The most important decision you make is to be in a good mood.”
― Voltaire
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