The "New Member's Mark Quick Dissolving Shock" is a water treatment product designed to quickly and effectively shock and dissolve buildup in water systems. Made by Member's Mark, this product comes in a convenient 1 lb. size with 24 individual treatments included. It is specifically formulated to help improve the taste and quality of water by removing harmful contaminants and ensuring safe consumption. Easy to use and efficiently dissolving, this product is a practical solution for maintaining clean and clear water in your home or office.