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how long should I keep lights on for reef tank?
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02/23/2012, 06:59 PM
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ptr13
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Join Date: Dec 2008
Location: bolingbrook
Posts: 2,276
I have LEDs and can keep them on to 10 hours from actinic to high noon from 1-8 pm, I know its overkill but my sps really dont mind it.
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