The Panda Film Waterproof Black & White 10' x 10' helps create a cleaner, more controlled hydroponic growing area by managing light and moisture effectively. This 5.5 mil polyethylene film features a white side that reflects light back toward plants to support even coverage and a black side that blocks light to help limit algae growth and light penetration. The waterproof design makes... https://www.hydroponicstown.com/811110-black-white-film-10-x10-5-5mil