Kem-Tek 26449048231 10-Pack Super Shock Quick 20 for Swimming Pools
Super Shock Quick 20 is a patented, fast acting shock formula that removes organic wastes. One bag treats 20,000 gallons of pool water. It controls algae and bacteria during super chlorination. Clarifies pool water and reduces other chemical needs to keep your pool clean and balanced. Produces clear, sparkling water in your pool when added on a weekly …