Quote:
Originally Posted by DavidCampen
I have a "true RO" system. I know this because I designed and built it myself. I drink the water from this system all the time - actually I use it for making tea, of which I drink a lot.
Absolutely pure water would have a pH of 7.0 but deionized and RO purified water will have a slightly acidic pH because of dissolved carbon dioxide from the atmosphere. It can still be consumed without harmfull effect.
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sorry to be off topic here a bit
http://www.who.int/water_sanitation_...ineralized.pdf
...you should not drink it then imho