the pvc foil i believe is the antidetection stuff, it eliminates certain wave legnths from passing through, like when a chopper flys over with infared vision
texas grass Reviewed by texas grass on . pvc foil? I was checkin out how ppl set up grow rooms for ideas...and came across this video.. But I can't figure out what that stuff is he used to line the walls? pvc foil? ive searched this and nothing... YouTube - how to grow marijuana at home-part 1 Rating: 5