1. Remove the top of the water bottle.
  2. Pour a pot of hot water onto the stove and turn it on to medium heat.
  3. Place the copper water bottle on top of the pot of hot water, making sure that it is fully submerged.
  4. Turn off the stove and wait until the copper water bottle has been completely submerged in the hot water.
  5. Hold onto one end of the copper water bottle and use your other hand to pull it out from under the water.
  6. Carefully remove all of the liquid from the copper water bottle, being sure not to damage it in any way.
  7. Place the copper water bottle back on its original surface and let it cool for a few minutes before using it again