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Damaged leaves growth slowed

Mius420started grow question 4mo ago

Hello everyone. Can someone explain the problem to me? She is at the end of the first week of pre-flowering. (28 days) Biocanna soil fertilizer allmix indoors. This product on the top and on another branch only for the moment. Ty for your answers And sorry if my English is bad.

Mius420

Mius420

Mius420

Mius420

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Leaves. Curl down

Leaves. Color - Black or grey

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Radagast_answered grow question 4mo ago

I really don't know what this is, but the new growth doesn't look good at all, everything else is fine, the plant is beautiful.

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Hightai90answered grow question 4mo ago

Little damage nothing tò worry about

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