with a 4 bulb unit you might be a little hard pressed to keep alot of the higher light requiring SPS (someone else can correct me if I'm wrong), but you shouldn't have any problem with keeping LPS corals depending on where in the tank you put them. Keep in mind quite a few LPS require low/moderate flow.
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75 gallon with 20 gallon sump in the works.
R. Bacchiega. Tattooer
I didn't smack you, I simply High Fived your face.
I've got so much glue on my pants it looks like a Friday night gone horribly wrong.
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