Never Seen This Before. Can anyone Diagnose this

SwitzerGrows

420 Member
I normally grow outside, this is just a cheap set up I have in an extra room in my house. Mylar blankets, a grow light, humidifier and fans. The plant seems healthy over all. But idk what this leaf curling on the edge is. I'm having a hard time regulating the heat in the room. It's been really hot outside and the insulation isn't to good in that part of the house. I've been running about 60 percent humidity but at about 80 to 85 degrees, so the VPD is running higher then I'd like, average of 1.5kPa. If anyone can tell me what my problem is I would appreciate it.
 
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