curling leaf

It could be heat stress from the lights, I would move them at least 20-25 inches away or your fan could be blowing to hard or constantly on the plant causing wind burn, is the fan oscillating?
 
Get an Oscillating fan and that should solve your problem too I had encounters with this same thing during my grow as well so I am definitely more than happy to share my knowledge
thanks again I have my fan blowing under canopy maybe I'll try moving it up while I go fan shopping...
 
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