Hi there, My plants (c99) are into 6th week of flower and have noticed what i can only assume to be heat stress. I have them on 600w in a 1.2×1.2 tent with a cooltube but we have had constant temp problems throughout but with a good flow of air, they were really healthy up until a few days ago. Because they are in 6 weeks flower and now showing 20% brown hairs i thought the best cause of action would be to do 2 weeks flush and lower them to 400w. I just want some clarification to this and is there anything else we could do to help them for this last 2 weeks or do they look wrecked? Thanks in advance, Tony.