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Stress or deficiency?

EirikBloodAxe
EirikBloodAxestarted grow question 4y ago
Two leaves around main Cola. Yellowish with rust spots. Had its first day in tent with low humidity. Did some first time defoliation to increase air circulation. Stress or Potassium, Calcium deficiency? Northern lights auto, 8-9 weeks. Canna Coco Nutrients.
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Leaves. Color - Yellow
Leaves. Color - Dark-brown
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GMSgrows
GMSgrowsanswered grow question 4y ago
Fabric planters that arent having enough water put through can cause these problems. Water starts to channel through like a river leaving areas of your roots without any water at all. Water to runoff always and let sit in it runoff water until it wicks some water back into it. Also check that waters ph and ec levels and keep them in check. Cheers
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