GLB SuperSonic 5 lbs – Powerful Pool Water Oxidizer – Quick Water Recovery – Includes 2 Scum Socks and 7-in-1 Test Strips Granular Chlorine Apply directly to the spa

Apply directly to the spa cover using a soft cloth or sponge

Enriched with Bio-tone microbes to support soil life

Improves water clarity and ensures safe swimming conditions

Fast-dissolving chlorinating granules for spa maintenance

reducing the need for frequent maintenance and enhancing the performance of sanitizers

GLB SuperSonic 5 lbs – Powerful Pool Water Oxidizer – Quick Water Recovery – Includes 2 Scum Socks and 7-in-1 Test Strips Granular Chlorine Apply directly to the spaBoost your pools clarity and sanitation with GLB 71450A SuperSonic, a powerful, fast acting shock treatment designed to eliminate contaminants and restore water clarity. This 5 pound container is perfect for regular maintenance or quick recovery of heavily used or cloudy pools. Compatible with all pool systems, including saltwater. Includes My Garden Pool Test Strips & Scum Sponge to simplify your pool care routine! Key Features Fast acting shock