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Defiency?
GrowerFromHellstarted grow question 4 years ago
Today appeared this on the leaf, dunno what could be, maybe a defiency?
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Fiddlesticks73answered grow question 4 years ago
I think it looks like nutrient burn. Not sure about your nutrients, but with mine I am at .25 tsp gal and about a week ahead of you. I suggest a flush with ph'd water or a very light nutrient mix.
ChitownCannaChicaanswered grow question 4 years ago
Looks ok—- do you spray a foliar or IPM? That can happen from water sticking around a little longer and burning the leaves under the light.
It can be a little nute burn, but hard to say
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