Swimming pool water filtration sterilization cycle is recycled water use, water circulation and recycling repeatedly, that is, the filtered and treated water (no matter how high filtration precision and purity) continuously fed unfiltered contain contaminants of water, making the water mixed voicing meet health standards, and then continue to pollute the water and then a continuous cycle, filtration, clarification and disinfection; and because the swimmers and around the outside to the pool into pollutants pool spontaneous bacterial and algae, so the water is constantly polluting; circulation, filtration, disinfection, clarification, pollution in a dynamic equilibrium. This dynamic is reflected in the unstable, fluctuating water temperature, chemical dosing changes, changes in the number of circulating flow swimming and so on. Hairun Germany is a professional water treatment equipment, water treatment equipment company, swimming pool water treatment equipment in the industry already has a good reputation, the use of advanced technology and to become mature theories and scientific system, swimming pool equipment, for Landscape with river and lake swimming pool water. Water treatment equipment Hairun Germany "quality and service in parallel until the customer satisfaction" principle, combined with the actual needs of customers, go all out. Tel: 18839788973 QQ: 2985530351