Quote Originally Posted by Italiano715
So, when your plants droop are they during the on or off cycle and how long into it does start to droop. I know you said 11pm every night, but is your lights still on and how much longer?

The yellow can almost be sure it's a nitrogen deficiency considering the edges are not burnt on your leaves. Increase the Nitrogen and see how that goes. I can ALMOST guarantee that is the yellowing problem.
I know someone would ask this question, sorry I didn't include this in the original form.
chefbeanstock Reviewed by chefbeanstock on . Plants Drooping, yellowing also Plants are drooping at around 11pm every night. In the morning they look better, then they droop again. What is your experience level? (first timer, novice, experienced...) Novice What type of hydro set-up are you running? Top feed, hydroton Your Equipment: A) Type and wattage of lights. (MH, HPS, CFL's, tube fluorescents, LED's) 1000w HPS B) Distance from tops? 20" C) Reflector type? (cool tube set-up, bat wing, enclosed reflector, bare bulb...)Enclosed w/ glass Rating: 5