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Yellow leaves from veins

Budderfly
Budderflystarted grow question 5y ago
Can anyone tell me which nutrients could be causing the yellow turning of the leaves?
Solved
Week 3
Leaves. Color - Yellow
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The8thChevron
The8thChevronanswered grow question 5y 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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