What's wrong with these 2???
MrBlocc420answered grow question 6y ago
I will need more information about your grow but it looks like your having a potassium deficiency. Sometimes the first symptoms of a cannabis potassium deficiency look a lot like nutrient burn. One difference is the edges of the leaves will also start turning brown, where nutrient burn usually only affects the tips. And unlike with nutrient burn the leaves of a potassium deficiency turn yellow in the margins, especially near the burn edges.
Hope that helps good luck to you 👌🏾
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