Purification/disinfection of raw water tanks/overflow compartments complying with the specifications of DIN 19643, Comprehensive disinfection of the entire pool system in the event of microbial pollution and/or presence of excessive reaction by-products, Disinfection of filter material, Disinfection of drinking water in domestic supply systems complying with legal specifications of the German drinking water ordinance (TwVO) and applicable DVGW- worksheets on legionella contamination for example