When I went from 150w DEs to 250w DEs, I shortened the photoperiod by a couple of hours & raised it back a week or so later. The increase in light didn't seem to have any negative effects on the corals. Not sure about everyone else's experience, just posting mine.
Anthony
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If you see it, can take care of it, better get it or put it on hold. Otherwise, it'll be gone & you'll regret it!
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