FWIW I have a 250 watt SE over my 24" deep tank. It's only been on there a week so I don't have long term examples but the corals I have transfered over from my small tank seem to be doing really well. They seem much happier healthier and plump than when they were 3-4 inches below 96W PC in my 10G.
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- Greg
90G : Light - Tek 6xT5 | Skim - EuroReef RS135 | Flow - 2xVortech MP40W | Control - Reef Keeper 2
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