eli5: Why can’t you drink Demineralised Water?

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At my local hardware store they sell something called “Demineralised Water High Purity” and on the back of the packaging it says something like, “If consumed, rinse out mouth immediately with clean water.”

Why is it dangerous if it’s cleaner water?

In: Chemistry

19 Answers

Anonymous 0 Comments

2 reasons:

1) at the hardware store, they don’t use machines that are rated for human consumption. There may be traces of stuff that’s not safe for human consumption, or it could be contaminated with viruses and bacteria.

2) even if it were food grade, demineralised water is not safe to drink in large quantities or for a long time. As it lacks minerals, it will pull minerals out of your body to maintain balance. This is on obviously not good for you

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