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    D K
    Feb 05, 2020
      ·  Edited: Feb 05, 2020

    Yellowing of leaf edges

    in Grow Community

    Plant is only 2 weeks old from seed in soil/coco mix. Haven’t fed her yet except with my 120ppm dechlorinated tap water. Is it time for some calmag or a feeding maybe?


    2 answers3 replies
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    Mr. Grow It
    Feb 05, 2020

    It looks closest to copper deficiency ? But could be wrong. Since you're in a soil/coco mix, a feeding now should be fine.

    Mr. Grow It
    Feb 10, 2020

    @mwhite9829 Too much for me to explain through text but here's a good article on it: https://www.growweedeasy.com/cannabis-plant-problems/copper-deficiency

    D K
    Feb 11, 2020

    That's interesting as my pH was too high, so the copper could have been locked out..

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    Green thumb
    Dash  ·  
    Feb 05, 2020

    Mr Grow will know the correct answer, but I’m wondering about heat stress.

    D K
    Feb 05, 2020

    Didn’t consider that. She is only under a 23 watt LED bulb currently about 8” away.

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