Swimming pool, indoor pool villas, Shanghai Xiang Xiang bathing bathing provided by Shanghai. Shanghai Xiang Bath Equipment Co., Ltd. (www.shxsxy.com) is a supplier of high quality, Shanghai Alliance certified company, with Pentair, HAYWARD, TYLO, HARVIA, SA and other brands, has a good reputation, honesty, service-oriented, click on the page "Business League Support" icon on, we will be happy to serve you! Typical basic working principle is to pool swimming pool continuously circulating pump: pumped filtration and chemical treatment systems hotel's outdoor swimming pool from the pool, and then returned to the pool. Thus, the suction system can make more clean water in the pool villa outdoor pool, almost no sludge, garbage and bacteria. There are a number of pool villas indoor swimming pool heater, the water temperature can be kept constant. Shanghai Xiang service for your dedicated service. Some pool system using diatomaceous earth filter or cartridge filters instead of sand filters. Diatomaceous earth filter, the pool water will flow through diatomaceous earth filter grid coverage. Diatomite is a powder made from fossil diatoms in a marine organism called its chemically inert. The cartridge filter, the dirty water flowing polyester cloth or corrugated cardboard filters. You do not need to backwash pool, but simply move through the filter, disconnect the hose. Years (or up to eight years), you should discard the old filter, replace with a new filter.