To get hard water stains off glass, the most effective and widely recommended method is to use a vinegar-based solution because vinegar’s acidity breaks down the mineral deposits causing the stains.
Step-by-Step Method Using Vinegar
- Prepare the Cleaning Solution:
- Mix equal parts distilled white vinegar and distilled water in a spray bottle.
- Apply the Solution:
- Spray the vinegar-water mixture generously onto the stained glass surface.
- Let it sit for at least 15 to 30 minutes to allow the vinegar to dissolve the mineral buildup.
- For best results, work on a cool day so the solution doesn’t dry too quickly.
- Scrub the Glass:
- Use a soft-bristled brush, microfiber cloth, or sponge to gently scrub the stains in a circular motion.
- Use an old toothbrush for corners or edges.
- Wear rubber gloves and eye protection to avoid irritation from vinegar splashes.
- Rinse and Dry:
- Rinse the glass thoroughly with clean water.
- Use a high-quality squeegee to remove excess water.
- Dry completely with a lint-free microfiber cloth to prevent new spots
For Stubborn Stains: Baking Soda Paste
If vinegar alone doesn’t remove all the stains:
- Spray the glass with undiluted vinegar and let it sit.
- Mix a paste of 3 parts baking soda to 1 part water.
- Apply the paste to the glass and scrub gently with a soft cloth or brush.
- Let the paste dry slightly, then spray more vinegar on it (it will foam).
- Rinse thoroughly and dry with a microfiber cloth
Alternative Methods
- Lemon: Rub a lemon half directly on the glass to use natural acidity for stain removal, then wipe clean
- Salt Paste: Mix table salt with water to form a paste, rub on stains with a microfiber cloth, then rinse and dry
- Commercial Cleaners: For very tough stains, use commercial hard water stain removers designed for glass, following safety instructions carefully
These methods are effective for shower doors, windows, and other glass surfaces affected by hard water stains. Regular cleaning and drying after water exposure help prevent buildup
