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Grow QuestionsCan anyone tell me what’s causing this

Can anyone tell me what’s causing this

OutdoorUKstarted grow question 4 years ago

Woke up to these spots/rash on a few of the lower leaves looks yellow or brown not to sure what it is

OutdoorUK

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Leaves. Color - Yellow

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The8thChevronanswered grow question 4 years ago

Yep, it's either nute burn from to much P or K, or it's a Cal/Mag deficiency just starting. Check ppms of runoff. If they're good then add some calmag to the next feed and it should stop the spread. It's also vaguely possible that those leaves are being cannibalized by the plant if they aren't getting any light, but that seems least likely to me. Good luck!

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DoDrugs420answered grow question 4 years ago

Again 8thchevron saying it all 😉

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