Thank for the reply. I tried that last time and all it did was make my lower part of the plant turn lime green and most of the leaves fell off. I do let them tell me when to feed. The bottom of these plants look great. Do u think it's to much light. They are about 14" away from 2 600w cool tubs it's not hot when I put my hand in there so I don't think it's heat. I have plenty of fans. I was maybe thinking to bright cause the tent is that shiny liner. And it got worse when I put better reflectors on my lights. I turned my lights down to 50% to see what happens. The plant that is shorter in the corner isn't bad at all.