My lights are 8-10 inches AWL, combo of 4 ati blue plus, 2 actinic, 2 coral plus. Running time is 8 hours for 6 bulbs and 12 hours for the other 2 (blue plus). XHO are controlled by profilux via reefbrite dimer control, 12 hours on and 12 hours moon phase variable. My tank is sps only with a small amount of other corals.
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