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    How To: RDWC/UCDWC diy (advanced)

    Your growing in soil right? I can only suggest getting a better camera AFTER getting Micro first then Grow. How can you afford a light but no nutrients. If you actually that cheap just use plain water with cal mag during veg rather than giving them "K" at a premature stage.
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    Bluelab PPM Pen

    I can use 700 ppm, or EC, or 500 ppm as measuring scales thanks to the compatibility of combo pen by Bluelab, as for your question I can't answer why, but the guy who sold me this told me to use by 700ppm scale. Oh if you have a ph pen as well remember to recalibrate it, unless you use pH...
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    Understanding ppm in dwc

    I raised the ppm up to as far as 1500 ppm in my redwc b4 they died all of a sudden. I think it was either the summer heat, or I used too much nutrients. Im going for another trial. This is a old pic, I will post a update pic when the seeds become DWC-able. DNA Genetics Purple OG, It was not a...
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