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Marks on leaves

Autogrowzstarted grow question 5y ago

What are these marks? Soil grow. It’s on some of the leaves 3-5 inches down from top. Ph is correct after adding food to water. But soil ph is low. How can I fix this and what is it? Thanks.

Autogrowz

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Leaves. Color - Dark-brown

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GMSgrowsanswered grow question 5y ago

The mark's are likely ph related. To raise use a little dolmitic lime at a time, until your runoff comes out where you like. Can get at most garden centers. Cheers

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