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Proper Photoperiod

2289 Views 4 Replies 5 Participants Last post by  guerdonian
It seems that many people have multiple photoperiods throughout the day consisting of lights on for a couple of hours, and then off, then finishing with a large photoperiod of four to six hours if not longer. What is the proper photoperiod and what is the purpose of these "on-off" times (algae, photosynthesis, etc)?
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