Real talkThis is messier and takes some scrubbing; it can scratch some delicate glass coatings.

Bill of materials

• Baking soda
• Water
• A sponge or soft cloth
• A microfiber cloth

Assembly

1. 1Mix baking soda with a small amount of water to form a thick paste.
2. 2Apply the paste to the hard water stains on the glass.
3. 3Let it sit for 10 minutes.
4. 4Scrub the paste gently with the sponge or cloth.
5. 5Rinse thoroughly with water.
6. 6Dry the glass with the microfiber cloth.

⚠ Test on a small area first if your glass has a special coating to avoid scratches.