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Is this potassium toxicity?

Dankbudz84
Dankbudz84started grow question 4 years ago
After a week of lowering my base nutrients, canna coco, and increasing PK, I think this might be a potassium toxicity. What do you think?
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Leaves. Color - Dark-brown
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Dankbudz84
Dankbudz84answered grow question 4 years ago
@Hempkid It’s gotten worst some plants have completely wilted and I’ve thrown them out. Still waiting if the new batch of nutes fixes them.
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Hempy_The_Kid
Hempy_The_Kidanswered grow question 4 years ago
In picture 3 I see ph imbalance. That would be my guess.
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