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Top fan leaves are burning in a funky way
Cremostarted grow question 4 years ago
Hi guys. Why are my top fan leaves drying out at spots? I've changed water in both res' yesterday and I I've added Hesi products. The only new addition was Hesi PK 13/14 which might be a week earlier. Hesi states that it should be added in 4th flowering week.Might be the 3rd tho
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Robertsanswered grow question 4 years ago
If those leaves are towards very top of plant I am gonna go with looks like a sulfer deficiency. In all cases check run off ph. If it is 6.5 or higher then the substrate ph is the real issue. When ph is out of range plant uses stored resources from leaves. The roots can't absorb nutrients if ph is out of range. Good luck hope that helps.
OrganikTekanswered grow question 4 years ago
Shes losing moist. Roots not uptaking or your ambiorment to dry. May be vpd to high
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Cremoanswered grow question 4 years ago
So much knowledge. Thank you guys! I really appreciate it :)🙏🙌🏻
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GMSgrowsanswered grow question 4 years ago
Your ec is simply to high. Very high for home hydroponics. The highest I would take them is 900 ppm 1.8 ec in veg or flower. And I usually start lower in bloom as bloom nutes will burn your girls much easier. Cheers
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