Case study of outdoor swimming pool equipment in China: The outdoor swimming pool water treatment equipment uses quartz sand tank filters to remove suspended particles and microorganisms in the water. The circulating water pump provides circulating power for the water body, ensuring that the entire water body flows continuously and passes through the quartz sand tank filter. The disinfection equipment is equipped with chlorine plate dispensers, salt chlorine generators, ultraviolet sterilizers, etc., to kill bacteria and other harmful organisms in the water. Water quality detector, real-time monitoring of key indicators such as residual chlorine content, pH value, and total alkalinity.