Traditional water supply mode of confined water tank

The biggest disadvantages of traditional water storage methods are: (1) the shelf life of water is short; (2) The secondary pollution of water by water storage containers is hard to avoid. Confined water storage belongs to closed storage. During storage, the water body is not in contact with air, impurities and microorganisms in the air will not enter the water body, and additives used to protect water quality such as chloride ions will not volatilize, so the water body is flowing most of the time during storage, which is "living water".