Why R They Yellowing

Discussion in 'Sick Plants and Problems' started by MisterMylo, Mar 31, 2016.

  1. Hello,

    Lately, I have noticed my leaf tips are curling downward on all of my plants. I am feeding every other day using cocotek A&B, 10ml per gallon. I am growing in FF ocean soil.
    All are bagseed so I have no idea about genetics.
    Currently in red cups.
    This is now week 7 of veg.

    I will be putting them into flower next week if I can resolve this problem.

    I thought this was a nitrogen deficiency problem so I doubled up on nutes for the past three feedings but the leafs are still curling downward and turning yellow, and crisp. Starting with older growth.

    Please help!! ALL ADVICE IS APPRECIATED!

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    -MM


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