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Grow QuestionsBrown spots on the leaf

Brown spots on the leaf

gonghastarted grow question 5 months ago

Manganese, magnesium, calcium deficiency? what does this look like to you? No bugs checked the whole plant

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Organomananswered grow question 5 months ago

Spots are calcium deficiency, yellowing seems to be magnesium deficiency. Add some cal/mag to your fertilizer line up or increase the dosage if already using it.

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GoldenWeedGroweranswered grow question 5 months ago

I agree with @organoman: calcium and magnesium

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