The Planted Tank Forum - View Single Post - Lighting on a Timer
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post #2 of (permalink) Old 02-18-2013, 03:51 PM
Planted Tank Guru
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Join Date: Dec 2005
Location: Sacramento, CA
Posts: 19,681
I have never seen any indication that a split photoperiod harms the plants in any way. Some people are convinced that it reduces algae problems, and, for sure, it lets you have the tank lighted longer during the times you are home.

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