AQUA-ORG PLUS - Model R-CH-O65-EUP-PS-27X1 -Calcium Hypochlorite Chlorine Pool Shock 27 x 55 lb Pails - 1 Pallet

Our 65% Calcium Hypochlorite granules are perfect for immediate & dramatic results when you need to clean & clear the cloudy water in your pool, spa, and hot tub. For use in swimming pools, spas and hot tubs. US EPA Registered - Filed & Approved Biocide. UN2880 Calcium Hypochlorite Hydrated 5.1 PG II. CAS Number: 7778-54-3 (Calcium Hypochlorite).