Reading this thread was hotter than my night temps. I have a grow going on with constant night/day temps and I'm "worried". Anyway If I remember in the end I'll post my 2 cents and a couple of pictures.
Not only you have enough light as it might be too much light. Damn this thread is old, anyway it might serve as info for someone else, I believe that's light bleaching, I'm having it right now and after some extensive googling it's a combination of too much light and/or heat. Since that one was...