fossilesqueTechnically Correct
1rreOr just bring an empty bottle through and fill it up at the tap/water fountain?
Some people think tap water tastes bad
I wouldn’t drink tap water outside of continental Europe. Maybe the original OP is simply in a third world country like the US.
The US has pretty good tap water in most places. Of course there are outliers we are talking about a giant country.
While you are right to trust most tap water in Europe we also have a lot of outliers. Old plumbing being probably the biggest problem. But also the taste can be atrocious. The worst tasting tap water I ever needed to drink was in Barcelona.