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First true leaves curling

Rik

New member
I have two Amnesia Haze auto seedlings from Nirvana growing indoors in living soil. Both seedlings are on day 9 since they showed their first true leaves. Now, the first set of leaves on each of my girls are curling inward a little. I’m extremely paranoid about these because of how badly my last grow went and I want to catch problems ASAP. What do you think about this curling?

I’ll post photos in a second comment since I still can’t seem to do it right with my original post. Thanks in advance!

Full details:

2 x Amnesia Haze autos from Nirvana
Indoors in a 4x4 tent
Each in a 5 gallon fabric pot
Seeds popped and first true leaves on June 9, today is day 9
Soil: Fox Farm Coco Loco with Nature’s Living Soil (“Super Soil” method)
Fed only water, a mix of spring and filtered drinking water that comes out at 6.7 ph
Light: Black Dog PhytoMAX-2 600 (615 watts from wall)
Temperature: Low 70s during lights off, low 80s with lights on
Humidity: Low 50s with lights off, low to mid 40s with lights on
Ventilation: 8” system with 710 CFM fan pulling through two separate large carbon filters (one tail end and one inline) through very long duct work, resulting in a nice breeze coming out in an adjacent room, and tent walls sucking in slightly
Small Vornado air circulator inside tent, blowing 24/7 on low, pointed between pots and slightly down to not be directly on leaves
Vornado oscillating tower fan blowjng softly across the full height of the plants for roughly 12 hours per day, staggered 6 on, 6 off, 6 on, 6 off
 
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Looks like a tab bit of heat stress. Low 80s might be good for some breeds and not for others. I had grown Bubblelicious autos early last year. If the heat in the tent went above 75° the girls would pout and the leaves would curl.
Try lowering your day time temp a few degrees.
 
Rik I'm not an expert but it happen to me before and I had to adjust my grow lights and it works. For me it was trial and error lolll
 
when the leaves curl like that it's usually too much heat, humidity or light. adjust accordingly.

having said that if it's just one plant it could just be a result of an old seed. Happened to me a couple of times and it resolved on it's own without any changes
 
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