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I was whondering so when I change the water say I put my nutes in and have 700ppm now 4 days later it's 300 ppm do you guys add more nutes or do you just add nutes when you do a water change? Like should it be at a constant certain ppm or do you just wait till the next water change
from Hydroponics / Aeroponics https://www.rollitup.org/t/dwc-question.1030377/