Ultra-Pure Water | National Geographic

David visits a company that makes the world's most incredible water filter that creates ultra-pure water. He then finds out that he cannot taste it. ➡ Subscribe: http://bit.ly/NatGeoSubscribe About National Geographic: National Geographic is the world's premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what's possible. Get More National Geographic: Official Site: http://bit.ly/NatGeoOfficialSite Facebook: http://bit.ly/FBNatGeo Twitter: http://bit.ly/NatGeoTwitter Instagram: http://bit.ly/NatGeoInsta Ultra-Pure Water | National Geographic    • Ultra-Pure Water | National Geographic   National Geographic    / natgeo