GLB SuperSonic - 1 lb. Overview Meet the GLB SuperSonic, the one product that has a bunch of different uses. SuperSonic is designed to sanitize, clarify, prevent algae, and shock treat your pool. What’s in the Box 1 x GLB SuperSonic - 1 lb. Ingredients Calcium Hypochlorite: 73% Other Ingredients: 27% Available Chlorine: 70% Directions Make sure pool water pH range is between 7.2 - 7.8 with alkalinity at a minimum of 100 ppm. Follow the stabilization instructions on label. 30 ppm of stabilizer is needed. After regular use of GLB Chlorinating Granular will provide any make up stabilizer. Shock treat your pool water using 16oz of Chlorine Granular per 10,000 gallons of water. Proper chlorine level should read between 1 to 1.5 ppm. Brand GLB®
