Oh, you're still doing the SPS thing. Normally for SPS you pretty much fill the top of your tank with T5 reflectors. Not sure how this would apply to a nano though, might need some barbecue sauce to go with it. I'm thinking maybe 4 tubes wired on 2 circuits. 2 tubes on for a 12 hour photo-period, and all 4 on for as long as your corals can handle it. On my 72G I had 6 54W tubes on for 12 hours, and it worked well for SPS. You should check out some nano forums before you do anything.
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