BIOGUARD BURNOUT 73% 1 LB

22860BIO

BioGuard Burnout 73 (22860BIO) is a powerful 73% calcium hypochlorite granular shock designed to restore sparkle, kill bacteria, and eliminate contaminants in all pool types. It is BioGuard's strongest shock, with one 1 lb bag treating up to 16,500 gallons, typically applied weekly or as needed, ideally at night