Please help me folding edges??

DirtyDogs446

Well-Known Member
I have 4 plants in the grow space they are all about 20 inches from light which is a led 450w viparspectra. This is the only one that the leads are curling up. It's not heat stress, it's not wind burn, could it be from overwatering? Which I water them all the same except for the smaller plant. I just need some suggestions
 

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