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    E_heroi
    Apr 22, 2021
    Edited: Apr 22, 2021

    Can you spot the problem ?

    in Grow Community

    Hi everyone . i decided to make a small experiment with rockwool. i feed at 400ppm (500 scale) with a ph of 5.8 . the runoff ppm is 450 and the ph is 6.5 . temps are 24-25 with RH of 50-55 . here is the foto . its a northern lights auto









    thanks

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    E_heroi
    Apr 24, 2021

    thanks Chris. actually i found out that i must water rockwool at least 5 times a day to avoid ph problems so i started doing this and things are looking better . last time i try rockwool its too much work if you water by hand . but thank you i wish you and your family all the best my friend

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    M
    Mr. Grow It
    Apr 24, 2021

    The camera makes it hard to see the true color of the plant. I think I see some yellowing on the leaves?

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