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Grow QuestionsGray spot

Gray spot

Apolloostarted grow question 3 years ago

Hello everyone! Some of my leaves have small gray spots on them, like the ones in the picture. What could be causing this?

Apolloo

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Leaves. Color - Black or grey

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Organomananswered grow question 3 years ago

Nothing to worry about, just a bit of abrasion damage where the leaf tips are touching the soil surface, most likely at night when the leaves are lowered and the fan is blowing on them.

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