lighting ... suggestions pls
Soooo ... now I've decided that my 90 gal tank will be a reef tank I need to decide on some lighting, I'm weighing towards metal halide combo lights as I want to keep a variety of corals and dont want to be limited in the future. My dilema is how many watts do I need ?
should I go with the 2 x 250 or will 2 x 175 suffice ?
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Starting fresh ... 90 gal, 40gal sump, sundial T5HO x 4, 2 x koralia 2's, ASM G1X skimmer 
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