How do I determine what spectrum the screw in 23w cfl's are giving off? And what are the best spectrums for both veg and flower stages?
bkbbudz Reviewed by bkbbudz on . Stupid Newbie Question... How do I determine what spectrum the screw in 23w cfl's are giving off? And what are the best spectrums for both veg and flower stages? Rating: 5