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    am420
    Apr 23, 2021

    Is this light burn?

    in Grow Community

    Can anyone tell me what these spots are..everything was going well untill I put the dimmer up on my light to 700 par on the canopy then the leaves went like this and more and more cars turning everyday...can anyone tell me what might be wrong? Thanks


    10 comments
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    M
    Mr. Grow It
    Apr 24, 2021

    What is the pH and PPM of the soil runoff?

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    am420
    Apr 24, 2021
    Replying to

    @Mr. Grow It I don't feed to run off..2.25 liters every second day no run off tho..is there another way to check that?

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    M
    Mr. Grow It
    Apr 26, 2021
    Replying to

    @am420 Well if you don't know the pH or PPM in the medium then we are guessing what the problem is. For example, it might be a pH lockout. Or, maybe it's under-fed. We don't really know without those numbers though. I highly suggest investing in a pH meter and a TDS tester to help ensure the medium is in the proper ranges.

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    G
    gregthe357
    Apr 24, 2021

    Keep an eye on your v.p.d. Look that up if your not sure what it is. If your humidity and temps are not in line your v.p.d could be off and if your plant is transpiring more than ideal amounts you could be getting toxic nutrient buildup. Just an idea. Good Growing.

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