This reminds me of Blenheim Palace in Oxfordshire, England. They sell expensive bottles of their mineral water in their restaurants, but it is the same water th

This reminds me of Blenheim Palace in Oxfordshire, England. They sell expensive bottles of their mineral water in their restaurants, but it is the same water that has supplied the buildings since long before there was a municipal water supply in the area, so you can just ask for tap water and get the exact same product for free, just without the glass bottle. https://www.blenheimpalace.com/estate/blenheim-palace-mineral-water/ https://www.blenheimpalace.com/estate/blenheim-palace-minera...