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    Rookie Grower
    Mar 15, 2021

    Is this powdery mildew on my plant and is this run off PPM a good number

    in Grow Community





    4 answers2 replies
    6 Comments

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    G
    gregthe357
    Mar 16, 2021

    7000! Sheesh lol.

    2

    Rookie Grower
    Mar 16, 2021

    Man Chris I’m not even sure this is the first time I’ve used it the plants were looking good so I didn’t bother with it but I’m in 3 gallon pots with FFOF they are Autos from Royal Seeds I’ve only been watering every three days and they were looking fine so how do I check the ppm meter so what should I be at

    1
    M
    Mr. Grow It
    Mar 16, 2021
    Replying to

    The manufacturer should list of it's 500 scale or 700 scale. Either in the instruction manual or contact them

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    M
    Mr. Grow It
    Mar 16, 2021

    Not powdery mildew. Is that a 500 scale or 700 scale TDS tester?

    1

    B
    Brandon
    Mar 16, 2021
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