hi all, my friend told me that if you video ur grow room under hps the video should have dark lines moving up or down the screen when u watch it back and if it dos'nt have them your hps isnt working right. is this correct any one?
hi all, my friend told me that if you video ur grow room under hps the video should have dark lines moving up or down the screen when u watch it back and if it dos'nt have them your hps isnt working right. is this correct any one?