Mineral water pods (not water bottles) now exist

Mineral water pods. Think about that idea. I'll give you a second.
A German company called Mitte has created a new, titular device that’s designed to create purified mineral water at home that can be dispensed either hot or cold. It relies on proprietary mineral cartridges, aka pods, to populate the water with various minerals, like calcium, magnesium, and potassium. One cartridge should last for 400 liters, or around 105 gallons, and they vary in price from €40 ($47) to €50 ($58