Young Yellow leafs with burn spots

Cibnine
Cibninestarted grow question 6y ago
Hey guys I have an indica at 6th week of flowering and a week ago the young leafs turned yellow with burn spots. The ph of my tap water is about 7.8 - 8. What could be done? Thks and Cheers
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Leaves. Color · Yellow
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GMSgrows
GMSgrowsanswered grow question 6y ago
Ph down or vinegar, or citric acid to get it down to 6.5. Ph down is the best others arent stable. Cheers
Cibnine
Cibnineanswered grow question 6y ago
Thank you gmslave.
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