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PPM Mystery

johnb1963

New member
Hello my friends, so check this, i have two plants growing, 1 Northern light Auto, 1 Gelat OG Auto, both in the same soil, same size pot, watered the same amount very time, both had two feeding. I mixed the nutes in a one gallon container, and feed a half gallon each, both had about 8oz run-off, now here's the interesting part, when i tested the run-off, the NL was 1080PPM, the OG, was 2970PPM. how the heck does that happen?
 
One might be eating more nutes than the other. Eating last waters nutes so less comes out this watering.
 
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