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What deficiency it can be?

growbiestarted grow question 5y ago

what deficiency it can be? its start from upper fun leaves

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Leaves. Color - Black or grey

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Ttrichomeanswered grow question 5y ago

The dark color is looking like ph imbalance... intervein chlorosis looking like start of magnesium deficiency... depending on what u are feeding mabey ph related as well. Make sure to check ph. If ur not feeding magnesium.. feed some. Happy growing and stay lit fam.

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Ttrichomeanswered grow question 5y ago

I'd say all ph issues actually! Happy growing and stay lit fam!

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