GLB Supersonic 73 Percent Calcium Hypochlorite Granular Pool Shock 5 Lb Bottle nine ounces and long-term performance for a

and long-term performance for a variety of tools and fixtures

Keeping your spa's pH balanced is an important part in maintaining proper water chemistry

Slip-resistant sand tread — High-grade surface ensures secure footing on wet surfaces for safer entries and exits

and pollen can be some of the hardest contaminants to remove from a pool—especially after storms

Specifically designed for direct replacement in common pool housings

GLB Supersonic 73 Percent Calcium Hypochlorite Granular Pool Shock 5 Lb Bottle nine ounces and long-term performance for aGLB Supersonic 73% Calcium Hypochlorite Granular Pool Shock 5 lb Bottle Intro GLB Supersonic 73% Calcium Hypochlorite Granular Pool Shock (5 lb) delivers fast, reliable pool sanitation. This high potency granule quickly raises free chlorine to oxidize organic debris, kill microbes, and clear cloudy water. It fights algae without overstabilizing your pool chemistry and is safe for all pool surfaces, leaving no residue when circulated. List of Features