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Yellowing leaf/ leaf rolls ? VPD might have somthing ta do with it. VPD notes.

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    #16
    What is better with VPD??


    A) canopy RH 65-72 canopy temp 28.5-29.5C
    bush RH 70-75 bush temp 25.8-26.5C



    B) canopy RH 45-55 canopy temp 26.5-27.5C
    bush RH 55-60 bush temp 24.8-25.5C

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      #17
      Originally posted by Baloni View Post
      What is better with VPD??


      A) canopy RH 65-72 canopy temp 28.5-29.5C
      bush RH 70-75 bush temp 25.8-26.5C



      B) canopy RH 45-55 canopy temp 26.5-27.5C
      bush RH 55-60 bush temp 24.8-25.5C
      I'd prefer B. Especially later in flower. If you watch the plant they will show you what they want. If leaves start curling over like in the OP then the temp is too high and humidity too low.

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        #18
        I think i've seen this, now i understand it to a much higher degree, thanks DamnUglyDogE G , true education!!! Great post n thread!
        Sharing is caring indeed.
        :plant grow::smoweed::pie: :canabis: :smokey: :smoky: :smoker: :smoke: :joint: CANEPA CA.NE.PA.SA.

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