Cleaning Water March 2, 2018 save time and effort cleaning everything! Treated water gets rid of the hardness that causes the ugly film and build-up around your sink and faucets. According to a study conducted by Ohio State University you can cut cleaning by 1/3 with the help of PURE FILTERED water. pure water reduces build-up on the following Faucets and SinksShower DoorsDishwashersIrons TubsDrainsSteamers