I live in the Uk. When we moved into our house the previous people out a filter system into the whole house. Soft water is the best! Also there is a brand called enagic( Japanese/German brand) that is a drinking water filter. You get water if different PH. The drinking water is 9.5 and it also has 消毒水. It also have beauty water to wash face and hydration and loads of other types of water.