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Cal mag or pest ?

Reefaboistarted grow question 6y ago

Begin to spray on the upper leaves, dont know if it's a deficiency or a pest like rust

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Gelato93weedanswered grow question 6y ago

Rust rarely comes in the boxes, only if there's too much humidity. Rust occurs when the leaf stays wet. For safety, I would use a broad-spectrum organic fungicide for roses; it's usually the best. For pests, it's better to flip the leaf to understand. Take a picture of the flipped leaf.

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