Alliance Ultra Zinc Pucks are Stabilized Chlorine Tablets co-formulated with antimicrobial Zinc Oxide. When Zinc Oxide, the same product found in various brands of sunscreen, is combined with just the right amount of chlorine, its ability to control algae growth is significantly enhanced.
5 Super-Pucks = 3 Alliance Ultra Zinc Pucks!
Available Net Contents: 6kg (30 pucks x 200g) or 3kg (15 pucks x 200g).