• Here is a link to the full explanation: https://rollitup.org/t/welcome-back-did-you-try-turning-it-off-and-on-again.1104810/

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  1. M

    Ppm chart

    maybe you can help me out. I am growing hydroponic , my 2nd time around. Our well water is 900ppm out of the ground. We struggled last time using Techni flora cuz so many things to mix and keeping the ppm at a level that was acceptable. So this time we are using reverse osmosis water w/ zero ppm...
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