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2020Growerstarted grow question 6y ago

Anyone know what it’s deficient on?

2020Grower

2020Grower

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Leaves. Color · Yellow

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horsemouthanswered grow question 6y ago

it could be a magnesium deficiency (especially the second picture). i looked your nutes and and dont know them, so if they contain magnesium forgot what i wrote. under powerful leds, in my experience, plants need more magnesium and potassium than under hps or older leds. cheers

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