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Moonlight And Photoperiod

Discussion in 'Lighting' started by Dustin Feagley, May 5, 2018.

  1. Dustin Feagley

    Dustin Feagley New Member

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    I was wondering, should I count moonlight into my photoperiod time?
    Reducing my photoperiod from 12 hours to 10 hours helped rid some algae, but I'm still getting some hard green algae on the glass by the end of the week. Probably going to try 8 hours, but I don't want to lose viewing time. Can I leave on moonlight or lowest light setting for a couple hours after photoperiod? I do not want to try split photoperiod.

    55g heavily planted, injected co2, ei dosing, metricide 14, fluval freshwater and plants 2.0 LED
     
    #1 Dustin Feagley, May 5, 2018
  2. Christophe

    Christophe Subscriber
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    Start your photoperiod later in the day, so that your 7 or 8 hour photoperiod ends when you're ready. As long as you don't have too much bright ambient light in the room, it shouldn't be a problem. There's pretty much no need for a photoperiod longer than 8 hours -- it's an invitation to algae.

    Count the 'moonlight' time as photoperiod only if it's bright enough to grow plants (or algae).
     
    #2 Christophe, May 5, 2018
    Dustin Feagley and Phishless like this.
  3. Dustin Feagley

    Dustin Feagley New Member

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    Thanks! I'll start doing 8 hours today and see if that fixes the problem
     
    #3 Dustin Feagley, May 5, 2018
  4. Phishless

    Phishless Lifetime Member
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    I run a 6.5 hour photoperiod.
    20 minute ramp up and 20 minute ramp down.
    Grand total 7 hours 10 minutes.

    The rest of it is lunar cycle.
    Peak setting during full moon is set low enough that plants still stay "closed up".
     
    #4 Phishless, May 5, 2018
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  5. DeepMetropolis

    DeepMetropolis Member

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    Tḧats what i asked myself too, I have sunrise and moonlight period but my plants open before the sunset begins and closes about an half hour before the photo period stops.. I have some daylight coming in the house but the tank is located on one of the darkest places in the living room.
     
    #5 DeepMetropolis, May 8, 2018
  6. Dustin Feagley

    Dustin Feagley New Member

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    @Phishless when you say lunar cycle, does that mean moonlights stay on throughout the night? If so, is this beneficial for the plants without causing any algae?
     
    #6 Dustin Feagley, May 8, 2018
  7. Phishless

    Phishless Lifetime Member
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    Through the month moon light changes based on one's time zone.
    Moonlight is brighter on full moon and darkest on new moon.
    Do the plants benefit???
    Doesn't create any algae for me.

    StormX controller runs all my LED's on all tanks.
    There is some degree of light throughout the entire night.
    Not measurable with PAR meter most of the time.

    Full moon might be 1 or 2 PAR
    I thought of checking but plants are closed up even during full moon.
     
    #7 Phishless, May 8, 2018
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  8. DeepMetropolis

    DeepMetropolis Member

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    Wow thats a really nice controller wish I knew it earlier.

    Verstuurd vanaf mijn SM-G903F met Tapatalk
     
    #8 DeepMetropolis, May 9, 2018
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