FIELD: preparation of water in swimming pools. SUBSTANCE: device is based on use of several chemical components for obtaining clean water in closed circuit. Device has air drier, ozone generator and chlorine reservoir with respective pipelines. To simplify construction, use is made of common ejector for ejection of chlorine or ozone into water, and common contact column and filter of final cleaning of water. Pipeline of ejector gas inlet is provided with simple system switch. Given functional scheme makes it possible to simplify construction of device due to discarding the use of pumps for forced delivery of components to contact column and improves economical, mass, dimensional and operational characteristics of device. EFFECT: enhanced sanitary reliability. 1 cl, 1 dwg
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