the cap is fully removable, which makes it potentially easy to lose or misplace. Wider is better for most folks. A wide-mouthed bottle is easier to fill with water, either at a fountain or beneath ...

The woman said she left her personal bottle, which was half-filled with water, on her desk ... but when she removed the cap, she noticed there was a yellowish liquid inside.

As mentioned before, if your bottle has a screw-on cap, clean between the treading. Rinse the cap with hot water. Fill your empty bottle with 1/4 cup of 3% hydrogen peroxide. Replace the cap and ...