There are a LOT more potential reasons for brown spotting than a K def. That's misleading.

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stinkyattic Reviewed by stinkyattic on . First Timer need help I am in about the 3rd. week of flowering and there are brown spots forming at the middle vien of my leaves. I am using 1000w/hps, in soil, I am using a 10-52-10 bloom booster. Any help?? Rating: 5