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    Question about Infra Red Light in Grow Tent

    Hi. I'm 2 weeks into my first grow and have a question. I have an IP webcam in my grow tent to keep an eye on the girls when I'm away.

    I've been doing my reading here on GWE and read all about the importance of light leaks and total darkness necessary for the 12 hours during the flowering stage.
    My webcam has IR LED's that turn on in darkness...when my grow lights turn off. They produce enough light that I can see the entire contents of the tent.

    I'm thinking this might cause a problem during the flowering stage....I've read that "green" light should be used if you have to do anything with girls during the dark hours, I would assume IR light could cause a problem.

    So...does anyone know for sure about IR lighting during the dark hours of the flowering stage.

    Thanks.

    #2
    I will start by saying, no I do not know for sure. I have red information that suggests IR light will put plants to sleep faster and wake plants up faster in the morning, so this tells me that they can see that light. I do not think that would be a good thing for flower. Just my thoughts.
    Someone who knows more will come along soon.
    completed 7 grows
    what I have learned so far:
    environment maters more than nutrients
    at least a dab of nutrients in every watering
    effective flushing before harvest is critical to quality

    Comment


    • South Sierra Dude
      South Sierra Dude commented
      Editing a comment
      Chlorophyll absorption spectra is in the visible range.

    #3
    IR is safe to use at night. If the camera has any visible light emitting from it It's not IR.
    SSD

    Comment


      #4
      Well....I did a little research and someone else asked the same question. I've included the link to the article and copied the most important info I found.

      The plants use red and infrared light to regulate stem growth and flowering response. Plant cells produce a chemical called a phytochrome, which has two versions. One version, PR, is sensitive to red light (660 nm). Red light converts PR into PFR. PFR signals the plant to grow short stocky stems and also helps the plant grow into specific shapes. The plants also use red and infrared light to measure uninterrupted darkness. As far as plants are concerned in terms of flowering, if there’s no red light, it’s dark.

      PFR is sensitive to infrared light (730 nm), which converts it into PR. When PR levels build to a critical amount, scientists hypothesize that a hormone called floragen becomes active and induces the plant to flower. The reason floragen is called hypothetical is that researchers can see its effects, but they haven’t found it yet.

      This came from: http://www.cannabisculture.com/content/2005/11/07/4576.

      I think I will shut down the camera....soon.

      Comment


        #5
        I figured you just wanted to dust off some rag and were looking for a lead in. Photosynthesis is your only concern as an amateur grower. Non off that other stuff prevents flowering. So, within the narrow confines of the original post, if you can't see the energy the camera is emitting go-ahead and use it.
        Last edited by South Sierra Dude; 03-12-2017, 10:31 PM.
        SSD

        Comment

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