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Nutrirnt burn/deficiency?

Andesstarted grow question 5y ago

Pics attached show some sort of burn/rust. Can anyone advise what this is exactly? Did a bit of a flush with water and half strength calmag phd to 5.8

Andes

Andes

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Feeding. Deficiences

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AmnZhzanswered grow question 5y ago

Hi mate, first check you ph to be at right range, and secondly add cal mag (which I think is the problem)

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ThaKassanswered grow question 5y ago

Looks like some kind of bugs feeding on them, just my thoughts

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