after a second look at your pics enlarged it def looks like the misting is the problem you can see little dots on the leaves caused by the misting and it more solid where the moisture is gathering at the centers of the leaves
sd6515 Reviewed by sd6515 on . Not Sure How do these look, i'm not sure if i have Heat stress, or from what i was told when they arrived on Aug 22nd they this plant is normally light/pale green... 400w MH on 24/7 feeding only water - i think they are too young for fert Misting twice a day Temp - 75 - 84 Hum - 42 - 54% fan blowing light all the time. Arrival Day and now Rating: 5