... the brush out and replace the cap. Shake the bottle again vigorously, and then pour the contents out. ... a soft cloth. Wipe down the outside of the bottle with vinegar; then, rinse under water. 4) Wash ... cleaning, let the vinegar remain on the cap for up to 15 minutes; otherwise, rinse it off after ... , we needed the strongest, lightest stainless steel water bottle we could get. So did all our friends. ...