Water quality standard for swimming pools and public swimming pools in five-star hotels

The water quality standard for swimming pools in five-star hotels and the standard for public swimming pools is PH 6.5-8.5. The turbidity is not more than 5 degrees or the transparency of the pool water should be about 1.5m, and the bottom of the pool can be clearly seen on both banks. Oxygen consumption shall not exceed12mg/l, swimming residual chlorine shall be 0.4-0.6mg/l, and combined residual chlorine shall be above1.0mg/l. ..