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
Ignore all the old wives tales bullshit.
Demineralised water is perfectly safe to drink, assuming the water is not microbially contaminated.
Also distilled water is safe to drink.
Demineralised water from a hardware store is simply not rated for human consumption, because no one cares if there‘s some E. coli in there for the purposes of putting it in your iron.
The amount of minerals in drinking water ranges from next to zero minerals, to tasting extremely chalky. People who live in areas where the water is very soft aren‘t harmed.
The amount of minerals in drinking water are just one hundredth of that found in regular food.
The only actual use for minerals in water is calcium in them, because spreading out your calcium intake throughout the day allows more to be absorbed.
If you drink a litre of calcium rich mineral water at once, you can just as well eat a slice of cheese or drink a glass of water.
If you demineralised water that’s clean or distilled water yourself, you can drink it for the next decades, until whatever cause of death takes you: the water makes zero difference.
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