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Edges Curling

Bigbootygrows
Bigbootygrowsstarted grow question 4 years ago
Curling on edges. Watering for 5min flood 6min drain every 6 hours only in the hydron clay not upto the rockwool. Im monitoring the Humidity and temperatures like crazy. Ph 5.8 Ec 0.8 Water Temp 22c Day air temp 25c Night air temp 18c Humidity 60% Light Height 26"
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Week 3
Leaves. Curl up
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GMSgrows
GMSgrowsanswered grow question 4 years ago
Leaf canoeing is usually a sign of heat stress, so raising your light was good. Your humidity levels when growing hydroponically can be less than dirt or soiless growing. 50% in veg is a-ok. 70% getting a little high and they can start to transpire. Cheers
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blady1989sqn
blady1989sqnanswered grow question 4 years ago
Light too close maybe?
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BraveheartGenetics
BraveheartGeneticsanswered grow question 4 years ago
Hi fellow grower, looks like a healthy plant you have there. Apart from a little light stress. Maybe your intensity is too high. Maybe it is too close to the plant. You have good environment at the moment but you will have to start bring the humidity down to around 50% as gmslave said. Other than that, keep up the good work and happy growing.
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hepoberman
hepobermananswered grow question 4 years ago
Lights too close? I'd guess 20k lux would be pushing it.
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Rookie_grows
Rookie_growsanswered grow question 4 years ago
Do you use any co2?
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