GLB Super Charge Shock 25lb

Super Charge granular shock oxidizer is a Cal Hypo (calcium hypochlorite) formula designed especially for super chlorination shock treatments. It kills bacteria, controls algae and destroys organic contaminants in your pool water. – 68% active Cal Hypo (calcium hypochlorite). – Add 1 lb. per 10,000 gallons directly to the pool. – Compatible with chlorine and salt water chlorine pools.