It would be silly to draw global conclusions based on one “test” that was setup for maximum effect on television.
I’ve lived in places with tap water that is definitely noticeable vs filtered/treated water. San Jose water for example is extremely hard and I suspect few people would mistake it for bottled.
I’ve lived in places with tap water that is definitely noticeable vs filtered/treated water. San Jose water for example is extremely hard and I suspect few people would mistake it for bottled.