Use panda film. It is a durable sheet plastic with one side black, the other white. More reflective than mylar as well.
gainesvillegreen Reviewed by gainesvillegreen 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