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Marijuana Plant Problems

brown roots - yellowing leaves Pictures

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forums; 50% of plants look ok 50% look like these Yellowing. Look really yellow under the light Not sure what to ...
  1. 07-25-2012, 07:30 AM #1
    jimmyboy77
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    Default brown roots - yellowing leaves Pictures

    50% of plants look ok
    50% look like these Yellowing. Look really yellow under the light

    Not sure what to do.

    1200 ppm
    5.6 ph
    60% RH
    ROom temp 81
    4 weeks in



    `.jpg1.jpg2.jpg
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  2. 07-25-2012, 08:45 AM #2
    FresnoFarmer
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    rh should be down more around 40 imo.
    "Keep the squares out of your circle"
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  3. 07-25-2012, 09:47 AM #3
    jimmyboy77
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    Quote Originally Posted by FresnoFarmer View Post
    rh should be down more around 40 imo.
    is that what is causing the problem or are you just suggesting that it should be lower?
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