Black on larger fan leaves

grayg187
grayg187started grow question 3y ago
AK47s, growing in Happy Frog, 5 weeks or so. not sure what I'm dealing with here, black areas on larger fan leaves, plants look good I think. any help would be appreciated. ty
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Leaves. Color - Black or grey
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Candog
Candoganswered grow question 3y ago
Magnesium toxicity from to low ph
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Stork
Storkanswered grow question 3y ago
This could be Leaf Septoria this happens because of high temperatures and high humidity, best to remove all affected leaves and use neem oil on other leaves plants I don't know if this help but worth the try sorry cant help you more I never had this 😵
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