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Thread: nitrogen clawing?

  1. #1

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    Default nitrogen clawing?

    can only assume nitrogen toxicity ?

    but then temps are low lights off at 16-17c



    would appreciate the opinions - thanks

    if it is nitrogen toxicity, im currently feeding 30ml a&b and im in week 2 flowering
    perhaps drop this to 20ml and see if it corrects itself?

    thanks

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  3. #2

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    They look cold mate n humidity must be low at them temp to


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  5. #3
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    Default

    30ml a&b into how much water though?
    low night temp makes them grow much slower, drink less and unfortunately rh&temp are linked together
    drooping/heavy leaves are literally full of water, high rh/low temp makes the problem worse because they aren't perspiring correctly,

    can't be sure with the picture, or the info given




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    we need more info on the grow, and better pics with hps off

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    Same as M_C it looks cold. probs locked out some nutes due to it. Plus a cold room is gonna dry out the leaves and they are gonna wanna protect themselves. i.e curl up the leaves to retain moisture. Are there leaves that have canoed a bit also? I say fix the cold lights off temp, get it to 20c when off and 26c on. keep it between there and the problem should fix fairly quickly. What ec have you been feeding and what is the plant strain
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  11. #6

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    30ml A+B???? In how much water? Jeez. Not patronising but I use 8ml of each in 1 gallon of water which brings the EC to 1.6 and that's enough in my experience. And I don't think that is N toxicity. The end of the leaves would be clawing downwards. The leaves on your girl look swollen like it's overwatered. Or its too cold when your lights off.

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