Multiple purification by RO+UF process which removes even dissolved impurities such as chemicals, bacteria, viruses, and salts making water 100% pure and suitable for drinking. TDS control system allows adjustment of TDS level of purified water which retains essential natural minerals in drinking water. #aquarium #cooler #chiller #hydroponics #waterchiller #freshwaterchiller #marinewaterchiller #aquariumchiller