I have mine right under my lights. Doesn't seem to bother them. I feed a mix of Brine and Michika's frozen. I melt the food in a shot glass of tank water then with a turkey baster, spray the food over the sun corals. The food blown around where the fish eat it. I wait about half an hour until all the polyps come out and then try to feed each head. There are some that I miss, but they are connected with flesh. I typically feed them every second day.
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