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Technically speaking, if the water is pure enough it can demineralize you and kill you over the course of about a week. UPW or HPW are often used to describe these substances, created in specialized labs or equipment for industry use.
Is that actually true? I've looked this up a while and it said it's basically overblown or urban myth (wiki). Basically we've been drinking rainwater forever (I know it's not pure) and you get so much stuff through food that it might lead to deficiency but not quickly.
Wikipedia isn't a source you concaveman. Even just clicking the citation numbers and finding the actual source at the bottom would be fine, instead you chose the stupid route. I'll admit the risk was overblown by sensationalism journalists, but it's not a myth in the slightest.
That is what I was asking because of your outrageous claim (death within a week). But of course you're just a loudmouth.
The first sentence was a rhetorical question and the second two were arguing with Wikipedia as your citation. You never asked anything in good faith.
When I worked in a lab, I'd always fill my water bottle from the nanopure machine because it was tasty and made me feel fancy.
Who needs all those nasty salts in their blood anyway. Bloody sodium channels.
You will get enough sodium in your food anyway. If you're literally not eating, then yes you will need it in water or tablets.