The Planted Tank Forum - View Single Post - Lighting Advice Please
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post #7 of (permalink) Old 10-10-2012, 05:28 AM
Wannabe Guru
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Join Date: Aug 2012
Location: Raleigh, NC
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Most people will say 8 hours. I personally do 10-12 on an 12 off. But with a longer light cycle you may run into algae problems.
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