right now im using 3 42 watters and im showing good veg. they are cool white, during flowering im going to add 2 warm whites to this and maybe a couple incandescents...after seeing bobbongs posts i think im gonna give it a try.... heres the link to his thread, this guy def. knows how to use flouros. http://boards.cannabis.com/showthread.php?t=61768 check it out