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Thread: Twice daily photo period

  1. #1

    Join Date
    Oct 2010

    Twice daily photo period

    Has anyone experimented with two 12 hour photo cycles rather than one 24 hour cycle?

    I know it is "unnatural" but it seems like I might be able to get more usable light to the algae with two 8 on/4 off cycles than with one 16 on/8 off cycle.

    Right now if I go more than 16 hours on, I burn the algae with my LEDs.

  2. #2
    Super Moderator
    Join Date
    Oct 2008
    Santa Monica, CA, USA
    Shorter hours, more often, is supposed to be better. But I lost the study about it.

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