I've been on RO water for 20yrs and fluoride free toothpaste for 10, no cavities. I'm guessing you're ok having fluoride toothpaste if you don't digest it, but I'd never drink it. Worried about your teeth? Drink milk.
Sparkling water is good with lunch.
Do you add any minerals back to your RO water? I was under the impression that ultra pure water (close to 0.00 TDS) is reactive and will leech ions and shit.
Nah, I take vitamins and iron supplements. I just stay away from distilled water
Off topic. Your username a reference to Beck?
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