poolife Rapid Shock Fast Dissolving Swimming Pool Shock, 12 lbs, (12 Pack)

poolife Rapid Shock Fast Dissolving Swimming Pool Shock, 12 lbs, (12 Pack) Fast-dissolving formula for quick chlorine balance Contains Calcium Hypochlorite: 68% with a minimum available chlorine of 65% Each 1 lb pack treats up to 10,000 gallons of water Convenient 12-pack for extended use Ideal for maintaining optimal pool sanitation effortlessly