Shock treatment and Super chlorinator for swimming pools. 1 lb.Additional Information
Non-chlorine oxidizing shock treatment for swimming pool and spa water replaces superchlorination & destroys irriating and odorous chloramines. Contains no calcium or chlorine and is completely soluble. Improves water quality, and won't bleach vinyl! Add 1 lb per 10,000 Gallons. 43% Potassium Monopersulfate. 1 lb.