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Thread: Help leafs yellowing

  1. #1

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    Default Help leafs yellowing

    Top leafs are yellowing
    Growing in canna Coco with canna nutes 5weeks into flower temps are 27.5c with 600w hps EC 1.4 ph5.8 any help would be much appreciatedIMG_20180416_063410~3.jpg

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    hotshot (16-04-18)

  3. #2

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    Hello mate, it looks like a zinc def to me.

    The clue is in the way the leaf veins have paled while the spaces stay green. If this was reversed, (leaf spaces pale and veins stay green) it would indicate a mag def.

    Try giving a few feeds at 5.6 ph and lower your ec a little as well, to 1.1-1.2 and this will help her recover.

    Damage done will not get better, look to what comes after this to judge her response.

    Good luck mate.

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    hotshot (18-04-18)

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