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J1 older fam leaves getting brown spots and yellow...
Athosanswered grow question 6 years 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 6 years 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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