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overnight yellow leaves with brown spots
jamjam887766started grow question 4 years ago
These leaves (about halfway up on #1) turned yellow with brown spots overnight. I didn't check the soil before giving it nutrients two nights ago so I was wondering if it has to do with overfeeding. The soil is damp and kinda packed together. Any idea what's going on?
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Athosanswered grow question 4 years ago
Judging by the amount of nutes you are giving, the fact that I see no pH or EC / PPM info, I would think you have a mild case nute burn. Since you are already past 8 weeks, I would stop all feeding and give it plain water and let the plant consume what's left on the soil.
oxieg3ngrowsanswered grow question 4 years ago
this looks like a nitrogen lockout caused by your pH being incorrect
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The8thChevronanswered grow question 4 years ago
If you recently added a booster, I think that's the problem. Too much P will lockout calmag. Check your runoff and flush if necessary.
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Carrnitas420answered grow question 4 years ago
looks like nute burn...
Just dealt with this myself
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