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Does the leaf curling mean lights are too close?

Jodas
Jodasstarted grow question 6 years ago
Does the leaf curling mean lights are too close?
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Week 2
Leaves. Curl up
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JUNGLE_B4RNS
JUNGLE_B4RNSanswered grow question 6 years ago
Yes absolutely, leaves edges start to curl up , then leaves start tacoing, after comes the purpling on the petioles where the stem join the leave and start to spread on the top surface of the stem ...
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Michka
Michkaanswered grow question 6 years ago
Looks like you have a nutrient burn.. Get your ppm lower, she's really dark she don't need feeding for one week !
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Jeff123fish
Jeff123fishanswered grow question 6 years ago
The leaves curling like a taco are from the leaf surfaces getting too hot usually from to intense a light source (kind of like a magnifying glass) which is common with led style lights. Raising the light some will reduce that. I would raise it up a foot or two and then slowly lower it over the next few weeks until you find that sweet spot between curled leaves and slowed growth. The other kind of leaf curl where the leave tips curl under is from too many nutes but I don’t see that in your pictures
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ChillumMafia
ChillumMafiaanswered grow question 6 years ago
good plant bro! 💪 All is well. at night before going to bed you can give a good shower to the plant namaste 🙏
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simps
simpsanswered grow question 6 years ago
No just a lil to hot maybe a lil hi in nut to just flush and add fan or more air cool her down and mix a TS of Epsom salt with water spray the leaves when lights are off time it fix her right upwill
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Experimentgreen
Experimentgreenanswered grow question 6 years ago
Your leaves look good. Your lights are a good distance. Heat can cause curling, watering practices can also...but you can also get "praying" leaves which is good and they're all lifted up to the light and soaking it in :) lol. I think after the transplant shell be right on track. Nothing looks disturbing right now that I can see.
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ShaggyGrower
ShaggyGroweranswered grow question 6 years ago
Lights at 61cm is fine. She looks super-happy (if starting to get a little root-bound in the solo cup before transplant) and I'd be super-happy with her.
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midEastern
midEasternanswered grow question 6 years ago
I had this strain in the past-good choice. I would try to keep temp 24-27c. And lower the nutrients especially nitrogen as she is still young for too much furts. You will be fine
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Thegermling509
Thegermling509answered grow question 6 years ago
Its heat stress which can be induced by lights, hot feed temp, hot grow room/tent temps or hot growing medium temps too. The rising serrated edges of the leaves tells it all, later if the heat gets too much the leaves blades "taco" or close up.
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Kindbudz
Kindbudzanswered grow question 6 years ago
The curling up leaves is a sign of heat stress. You could try moving your lights up a few inches and if at all possible lover the heat in the room. It prefers temperature between 73-77f. Good luck on your grow!
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Stick
Stickanswered grow question 6 years ago
Hi there! Judging by what's written onto your diary, I don't think so, 60cm is a good light/apex distance. A light-stress would involve "upward-curling" leaves, whereas what I see here are "wavy leaves, attracted to the ground". I'm thinking about under-watering, your pot is really small and 20cl/day is a pretty low amount of water. I'd recommend to wait a few days (start of week 3), transplant her into a bigger container with appropriate substrate mix, and water her every 2-3 days with 20-30% of her container's size. I'll be around, keep us up-to-date so we can help you adjusting your parameters if needed, and happy growing!
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Athos
Athosanswered grow question 6 years ago
It would seem so. Try increasing the distance and let the seedling tell you if it's too close or too far by how much it stretches.
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