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Leaves canoeing upwards smaller growth curling and...

Capo420
Capo420started grow question 3 years ago
Leaves canoeing upwards smaller growth curling and wilting away, leaves are soft slight burnt tips... pp450 pH 5.8. runoff 450ish, 6.19pH Any ideas of what is causing this?
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Week 7
Plant. Other
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GMSgrows
GMSgrowsanswered grow question 3 years ago
normal for soilless to get some brown in their tip going into flower. So many changes going into flower in soiless that this usually happens but it settles. if your still running 24 hours I would cut them back to at least 20/4 personally, so those buds get big. plants do a lot while they rest. check your runoffs waters ph and ec levels, I would try to keep it about 600 ppm and when you see flowers form, bring the ph up to 6.2
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Coopmc
Coopmcanswered grow question 3 years ago
Cano up is sign of light heat stress
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Roberts
Robertsanswered grow question 3 years ago
The one leaf shows early magnesium deficiency . But I believe the overall issue is not enough potassium. Once she starts stretching your potassium and phosphorus demand go up greatly. I would up your tds about 200 with a bloom booster. Would be the path I would take.
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m0use
m0useanswered grow question 3 years ago
Looks like a bit of mutated growth for that one mangled leaf. If you notice a lot more of them, then it will become a problem. might be a one off thing. Keep up with your plan of lowering the mediums PH back down to aorund 5.8 and see if it continues. I know heat/light stress can cause canoeing in the leaves but I don't think that is whats happening here. https://17iy0p49ts4537ovpn2g0scc-wpengine.netdna-ssl.com/wp-content/uploads/2019/05/179A92D9-9D10-408C-A0BA-3087A20FC1F7-e1557511931928.jpeg this is more of canoeing to me. Good Luck!
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