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J1 older fam leaves getting brown spots and yellow...
Athosanswered grow question 7y ago
It's nutrient lockout due to to nutrient toxicity. Don't feed more than 700 PPM (you are giving them 3 times this strength) just flush and flush and let the plant consume the excess nutes it has
Stickanswered grow question 7y ago
Hi there! From what I can see, your leave's tips are becoming yellow / brown / crispy, this could be a sign of a nutrient-burn, if extra cal-mag doesn't solve your problem you may want to flush her for a couple of days. Also, how far was this leaf from the light? I'll be around, good luck with this beautiful forest!
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