Another anecdote from the USA: I've only ever had problems with hard water in a ...

nerdponx on Dec 1, 2022 | parent | context | favorite | on: Gut epithelial barrier damage caused by dishwasher...

Another anecdote from the USA: I've only ever had problems with hard water in a house that got water from a well. Never had a problem with municipal water (although there are other contaminants in that).