BioGuard Smart Shock - 25 lb low chlorine It is designed as a

It is designed as a shock and oxidizing treatment

requires no pre-dissolving

Superchlorination

Unlike slow-dissolving bromine tablets

000 gallons when used with the compatible Cycler

BioGuard Smart Shock - 25 lb low chlorine It is designed as aBioGuard Smart Shock 25 lb Bulk Multi Purpose Pool Shock for Weekly Maintenance and Clear Water BioGuard Smart Shock is a multi purpose swimming pool shock treatment that shocks, oxidizes, buffers, and clarifies pool water in one convenient formula. This 25 lb size is ideal for pool owners, service professionals, and frequent use pools that need a larger supply of weekly shock treatment for routine maintenance, algae prevention support, and sparkling