Main drains, skimmers and vacuum ports are connected to the suction pipe system. Before the water is about to flow into the pump, it will first flow through a metal strainer basket. Strainer basket intercepts leaves may clog pumps and other large trash. Then filter basket to be cleaned, the water flows into the filter (or Changsha pool, pool set in the configuration, the flow into two filters in one). In the next section, you will learn the operation of the system at this stage. PH of water is a measure of its overall pH balance method, namely the ratio of acids and bases in water (see Chem4Kids: acids and bases, for instructions on acids and bases). Briefly, the water is too alkaline or too acidic can cause undesirable chemical reactions. If the water is too acidic Minhang pool that will corrode metal equipment, corrosion, surface material and cause skin irritation. If the water is too alkaline Shanghai swimming pool, pool surfaces may lead generation and pipeline equipment oxide, and may make the water turbid. Moreover, the high acidity and high chlorine alkaline will reduce efficiency. If the water is too alkaline, chlorine can not very well kill pathogens; If the water is too acidic, chlorine dissipation much faster. Shanghai Xiang bathing, swimming pool] [Minhang, Shanghai Xiang bathing pool provided by. Find "SPA massage pool engineering, installation, engineering, installation swimming pool, sauna project to install" reliable supplier network operators choose to have the whole alliance certification: Shanghai Xiang Bath Equipment Co., Ltd. (www.shxsxy.com), trustworthiness and reliability, Now click on the "Business League Support" on page live chat with us now!