https://www.wikihow.com/Make-Mineral-Water https://www.wikihow.com/Make-Mineral-Water It's a thing, just a very niche thing. There are fancy walter filtration

https://www.wikihow.com/Make-Mineral-Water https://www.wikihow.com/Make-Mineral-Water It's a thing, just a very niche thing. There are fancy walter filtration systems that put minerals back so it's more controlled. I suppose this is useful when you're living in America, where everything is chlorined to death.