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how long should I keep lights on for reef tank?
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02/23/2012, 08:33 PM
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Cubbies
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Join Date: Jan 2011
Location: NW IL
Posts: 1,475
I have an 8 bulb over a mixed reef, mostly LPS, Zs and Ps, 90 GAL. My actinics turn on at 10:45AM and shut off at 10:15PM. Daylights come on at 12:30PM and shut off at 8:15PM.
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