Weird necrotic spots and dying leaves

FlowAeststarted grow question 5y ago

Is this a disease or a bad root zone problem?

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Week 9

Leaves. Curl up

Leaves. Color - Dark-brown

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Chubbsanswered grow question 5y ago

It looks like a Calmag deficiency. I would add some with your next feeding. 1tsp/gal and the problem should stop. The rust spots on the leafs won't go away but shouldn't spread or get worsem

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