Aquamira Water Treatment is now available in a convenient and economical 2 oz. size for treating larger batches of water. The 2 oz. size is perfect for treating stored water in 55 gallon or smaller drums. It is also ideal for treating water in RV storage tanks, on site water storage tanks such as cisterns or camp water systems and WaterBasics Water Storage Kits. Aquamira Water Treatment treats drinking water using chlorine dioxide to kill bacteria, control the build up of slime and improve the taste of stored water. The economical 2 oz. size boasts the same long shelf life as our popular 1 oz. dropper bottles. Each kit contains everything you need to treat up to 60 gallons of water..