Brown spots and yellowing pictured above. My best ...
MediciGradestarted grow question 7y ago
Brown spots and yellowing pictured above. My best guess is a Cal/Mag deficiency. Was feeding Botanicare Cal-Mag Plus at 1 ml/l up until ~2 weeks ago (friend has been watering while I was out of town). Before I feed her, any advice on what the problem is and how to correct it?
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Fruitgroweranswered grow question 7y ago
I think this is down to the pH being slightly low, try to increase it to 6.5 and flush as budx says. It could be pests so check under the leaves very closely for any evidence... I hope its the first issue. š±š
BudXsanswered grow question 7y ago
Does not look like Ca Mag def to me. Looks nasty though, and looks systemic. Best advice is to flush. Other than that, look closely at your soil for fungus gnats or other bugs. This is a problem that will spread quick regardless of the cause. Flush and clean the grow area. Best of luck, will follow
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