majek Well-Known Member Jun 9, 2010 #2 welcome to rollitup it's hard to diagnose a problem without pics or more info, alot of things could cause curling leaves but the most common cause is heat stress. what type of lights do you use?
welcome to rollitup it's hard to diagnose a problem without pics or more info, alot of things could cause curling leaves but the most common cause is heat stress. what type of lights do you use?