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Leaf sides curling up

UKAgent47started grow question 5d ago

Hey, hoping I could get some direction on why my leaves are curling up slightly on the sides - not the ends. See pics - thank you for your help in advanced. Temps between 24 - 28 c Humidity 50 - 60 % Light is at 75 % at 16 inches

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yan402answered grow question 5d ago

Hey growmie, that slight edge curling you’re seeing is usually a sign the plant’s getting a bit too much light or warmth — nothing serious, but a little heads-up from the plant. Your temps 24–28°C are still okay, but with 75% light at 16 inches, it might just be a bit too intense for her right now — especially during stretch and early flower when some strains get extra sensitive. If it were me, I’d either, raise the light a few cm, or dial it down a bit to ~65–70% just to see if she relaxes a bit over the next couple days. Everything else looks good humidity is solid, leaves still look strong and green. You caught it early, so good job there. Just a small tweak and she should stay happy Hope that helps! 🤞🍀♥️

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m0useanswered grow question 5d ago

stop adding viagra into the water.

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John_Krameranswered grow question 5d ago

there is more symptomps indicating that it's not light stress... but whatever you please

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RasendeRollo92answered grow question 5d ago

Hey 👋 Definetly nothing to add, yan mentioned everything. Generally your plant looks pretty healthy, so nothing to worry about. For perfect result reduce your light intensity a little and should be fine. Enjoy your journey 👊🍀🖖

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yan402answered grow question 5d ago

appreciate the detailed explanation John_Kramer, but I think in this case it’s more likely early light stress, especially given the 75% intensity at 16 inches, seen this before during stretch

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John_Krameranswered grow question 5d ago

lol ) nothing of both below PK deficiency (just the beginning) burnt tips - K and purple petiole - P plain and simple (u just have to know where to look)

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Ultravioletanswered grow question 5d ago

What Yan said, it's a balance between water going up and water going out. Could also occur near the end of a long 18 hour day, if pot runs a little drier than she likes near the end of the day when water is low and heat is still beating, when this happens the plant makes a choice as it no longer can cool the entire leaf at the rate your asking of it, it will make the efficent decision to begin cooling the more critical parts of the leaf, this is generally why when you see tips or margins effected you know it's the plant deciding what part of leaf to sacrifice first so to speak.

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