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How Close Should My Light be to My Plants?

Discussion in 'Newbie Central' started by youngpat, May 5, 2011.

  1.  
    youngpat

    youngpat Member

    how close should my light be to my plants? im 2 weeks in to flower and im not to sure how close to have my light.
     
    youngpat, May 5, 2011
    #1
  2.  
    drkblood

    drkblood Active Member

    What type of lighting are you using? If CFL 2-3 inches away from the plants, if using HPS hold your hand over the top of the plants, if it feels uncomfortable on the back of your hand after a few min the light is too close.
     
    drkblood, May 5, 2011
    #2
  3.  
    MidnightJoker

    MidnightJoker Well-Known Member

    It all depends on what light you are using.
     
    MidnightJoker, May 5, 2011
    #3
  4.  
    TDM

    TDM Active Member

    I have heard 18" is the closest a 1000 watt light should be to the top of a plant, another test is put your hand above the plant top, if it's uncomfortably warm then it's a problem for the plant also.
     
    TDM, May 5, 2011
    #4
  5.  
    bud nugbong

    bud nugbong Moderator

    Perfect explenation right there...think about when your sitting in the sun and your skin gets a little hot, the plants can handle a little bit but you dont want your hand to be burning.
     
    bud nugbong, May 5, 2011
    #5

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