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Leaves curling under and gray spots on leaf somewh...
Athosanswered grow question 7y ago
Over feeding and over watering. Your feeding strength is too strong, go with 0.3 EC (150 PPM) and focus on cal mag for now. As for watering amount, give them 200 cc every 4 to 5 days and let the seedling hunt for water, so it develops a healthy root system
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