I lived most of my life in an alpine European village; water was chlorinated and flourinated, more than in my current US location. There was a huge difference i

I lived most of my life in an alpine European village; water was chlorinated and flourinated, more than in my current US location. There was a huge difference in mineral content, US water being almost distilled (1 to 3 French degrees hardness) VS something like 15-20 in Europe