Most of our pool water treatment using chlorination and CuSO4 algal inhibition often bacteria because of the low levels of chlorine in water, excessive viruses, or high levels of chlorine in water and stimulate the skin, eyes, hair, etc, it is difficult to reach the international swimming Federation swimming under the water quality standards. I am using the most advanced international ozone disinfection technology, ozone disinfection and purification of circulating water treatment, to ensure that the pool water quality standards.