far red

  1. Black Sail

    Lighting No more mysteries about Emerson Effect, Flower Initiation, 80 vs 90 CRI

    Flower Initiation Flower Initiation is awesome for photos, but it probably won't make a difference with autos. For photoperiods, flowering is triggered by a pigment called phytochrome. It has an active state(Pfr) and an inactive state(Pr). In the dark it takes about two hours for all the...
    • Black Sail
    • Thread
    • black sail emerson effect far red led grow light
    • Replies: 16
    • Forum: Archives
  2. ZKJ

    Lighting IS IT WORTH GETTING A COB LED??

    Hi im trying to work out whether its worth getting a cob led. I have a led (600w mars hydro panel) Already but seen alot about cob ones. This is my led But im thinking of getting this 400w roleadro cob led Do you think it would be worth it? Its mainly for the summer as i use a 400w...
    • ZKJ
    • Thread
    • bigsm0 black sail cob grow light emerson effect far red flower initiation mañ'o'green sootdawg
    • Replies: 94
    • Forum: Archives
  3. Adam & Cola

    Lighting Red 670nm and Far Red 730nm Flower Initiator Build.

    Hey AFN, i'm going to start making a DIY Flower initiator. I'm waiting for supplies to show up in the mail. So I figure its a good time to ask for some advice. this will go in a 5x5 tent, I currently have 170watt DIY COB and a Mars II 400 pulling 175 watts. so 340 combined watts. I was...
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