Things You'll Need
Instructions
1Fill a shallow container with white vinegar. Soak the drinking glasses in the vinegar for 30 minutes.
2
Remove the glasses from the container. Pour baking soda into a small bowl.
3
Dampen the toothbrush. Dip the toothbrush into the baking soda and then scrub the drinking glass to remove the hard water stains.
4
Rinse the drinking glasses under cool running water. Dry them off with a lint-free cloth.