OP if you are serious about doing this your best solution would be something that supplies pure water to the entire home, your soap will lather better, food cooked in water will taste better etc.
A home reverse osmosis system is what you want. You can add a UV system and or a water softener, too.
Your statement about bottled water "being the same as tap water" is so incredibly wrong unless you live in a country that only has a few sources of bottled water that exclude Fiji, Aquafina, Dasani, Voss, and countless others.
Porsche story: Dumbest thing I've read all week.