Yellow leaves from veins

Budderflystarted grow question 6y ago

Can anyone tell me which nutrients could be causing the yellow turning of the leaves?

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Week 3

Leaves. Color · Yellow

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The8thChevronanswered grow question 6y ago

Nitrogen. At this stage in your grow, it's almost always nitrogen, although magnesium is possible if you start getting random brown spots too. Your feed should be somewhere around 300-400ppms right now. If it's much higher, you could have a lockout.

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