This method of storing copper coils can ensure hot water in a grid failure.
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
Doomsday Prepper Tips: Copper Coil | Doomsday Preppers
View original video here