SeanRstarted grow question 5 years ago got 4 seedlings, 3 healthy, but 1 has been a pain. kept treating it for cal mag issue but new spots keep appearing on it. cal mag foliar spray not working as well. its at day 17 now and EC is at 700. drainage EC within range. been feeding them at PH 6.2 and 5.7 at times.
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Leaves. Color - Mottling