American Helene Sula vividly remembers the first time she discovered tap water was a different ball game in Europe.
Sula, from Texas, was at a restaurant in Germany. When the server asked for her drink order, Sula requested water.
“They kind of scoffed at me like, ‘You can get water. But why would you?’” Sula recalls.
She remembers glancing around and realizing everyone else in the restaurant was enjoying…