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Leaf curling down

Tencobretti
Tencobrettistarted grow question 20h ago
Ho growers, Any idea for this leaf curling down on dwc? The lady are at the beginning of 5th week from seed. Ec 1.2, proporti in in of tripar 1 : 1.5 : 2 grow-micro-bloom. . PH ho down slitte bit daily, ec go down from 1.2 to 1.0 in a couple of days. Thanks !!!
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HighHolidays
HighHolidaysanswered grow question 19h ago
The downward curling leaves could be a sign of nitrogen toxicity. When plants receive too much nitrogen, they tend to develop very dark green, shiny leaves that curl or “claw” downward. Even if the EC is not extremely high, an unbalanced nutrient ratio with too much “Grow” or nitrogen-rich fertilizer can lead to this issue in DWC systems. To fix it, reduce the nitrogen input by lowering the Grow component or adjusting the nutrient mix to a more balanced ratio, and maintain a moderate EC around 1.0–1.1 while monitoring new growth.
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Fruitgrower
Fruitgroweranswered grow question 5h ago
Too much nitrogen,I would say
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Xipsiomega1
Xipsiomega1answered grow question 7h ago
Too much N and maybe a bit overwatered
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Xaboo
Xabooanswered grow question 13h ago
only water the next few days. maybe a little less light for easier recovering. good luck
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m0use
m0useanswered grow question 16h ago
To much N
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John_Kramer
John_Krameranswered grow question 19h ago
Ca,Mg def
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Nocone_Purple
Nocone_Purpleanswered grow question 20h ago
Looks like a bit of nitrogen toxicity or slight overfeeding, The downward curl (clawing) usually comes from too much N or high EC in DWC systems. Try lowering your EC to around 0.9–1.0 for a few days, keep your pH stable around 5.8–6.0, and make sure there’s plenty of oxygen in the reservoir. She should perk back up soon — leaves still look nice and green, so you caught it early
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