Is the water in the pool recycled? Is the water in the swimming pool recycled?Yes, the water in the swimming pool is recycled, and some new water will be injected every day. it is too high to change it every day. ha ha, the water in the swimming pool needs to be purified to ensure that the water quality is healthy and up to standard!The following steps are generally used for water purification in swimming pools:Coagulation: use aluminum salt, iron salt, polymer and other coagulation agents to generate large particles of sediment through coagulation and bridge action, and then remove it by Suction filtration.Clarification: The large particles formed by the action of the coagulation are still separated in the swimming pool, the sediment sinks at the bottom of the pool, and the upper layer is clarified.Suction: remove sediment that sinks at the bottom of the pool through a dedicated pool suction machine.Disinfection: add disinfectant to kill bacteria, viruses, algae, etc. in the water.Circulating filtrat

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What is the thickness of manganese sand in the iron and manganese tank 20? Many towns and industrial and mining enterprises in China use groundwater as water source.However, there is an excess of iron in groundwater in many areas,Its content is generally 2-16mq/L range.'Automatic iron and manganese removal filter' overcomes the human operation,Various problems caused by backwashing,Give full play to the special features of fully automatic work,Therefore, it has incomparable superiority in other iron removal devices,The iron content of groundwater after treatment is ≤ 0.3 mg/L,National GB5749-85 quality standards for drinking water.In addition to iron and manganese in water,Make the oxygen in the air two-valent iron,Oxidation of manganese at two prices,Generate Fe (OH) 3,Manganese dioxide,According to the content of iron and manganese in water,Jet aeration or hollow multi-face ball aeration are selected.Filter with first-class or multi-stage manganese sand filter,Can meet the processing re