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Brown dot on leaf

Pprrrstarted grow question 5y ago

Hello everybody, on some leaf appeared this little Brown dot, only few leaf the rest of the plant Is very healty, what could be? Thank you!

Pprrr

Pprrr

Pprrr

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Leaves. Color · Dark-brown

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Organomananswered grow question 5y ago

Calcium and magnesium deficiencies. A cal/mag supplement will stop this from progressing. Now that you plant is flowering, you need to cut back on the nitrogen (the leaves are super green!), otherwise you can end up with leafy thin buds.

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