HI, I read that using glass in your reflector reduces the potency of your

flowers becuase tempered glass blocks uvb rays. I was wondering if anyone

has tried growing with and without glass and if there was any real noticeable

difference? Or any input or ideas would be useful. Thanks
cantstoplooking Reviewed by cantstoplooking on . glass heat shields? HI, I read that using glass in your reflector reduces the potency of your flowers becuase tempered glass blocks uvb rays. I was wondering if anyone has tried growing with and without glass and if there was any real noticeable difference? Or any input or ideas would be useful. Thanks Rating: 5