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On my nano tank right now I have 2 sets of 2, PC lights. The first set is a 10000K and a 6700K and the second set is a 10000K and an actinic 03. The 1st set comes on for about 4 hours, then the first and second are on for 4 hours together, then just the second. Once the first set turns off, all the corals close instantly. They definitely seem to like the 6700 bulb better than the actinic. Unfortunately, the actinic also looks 100 times better....
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Some people say, "How can you live without knowing?" I do not know what they mean. I always live without knowing. That is easy. How you get to know is what I want to know. - Richard Feynman
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