GLB Supersonic 73% Cal Hypo Granular Chlorine Shock

GLB Supersonic 73% Cal Hypo Granular Chlorine Shock GLB Supersonic 73% Cal Hypo Granular Chlorine Shock. This product offers a range of features such as Contains 73% available chlorine, Add 1 lb. per 10,000 gallons directly to the pool, For best results, add during the evening hours, Compatible with chlorine and salt water chlorine sanitizing systems. Technical specifications and specific features include: Weight: 28.2 kg. Features and Benefits: Contains 73% available chlorine Add 1 lb. per 10,000 gallons directly to the pool For best results, add during the evening hours Compatible with chlorine and salt water chlorine sanitizing systems Technical Specifications & Specific Features: Weight: 28.2 kg