I'm thinking demineralized water, of which distillation is several ways to produce it. The rub seems to be that it leeches minerals from both the body and distribution mechanisms (like metal piping)
You are pushing (incorrect) anecdotes, with a hubris of certainty.
Please provide quality references, or even some argument, to support your statement, beyond 'you said so'. 'You said so' is always a useless information-less way to communicate that I would push back on, but this is a health relevant issue, and you are spreading misinformation that is dangerous. Provide some quality references if you're right, but you're not.