We may receive a commission on purchases made from links. Hard water stains on your shower doors, windows, and other glass surfaces can be incredibly frustrating. Not only do they create an eyesore, ...

Apply vinegar to the stain, sprinkle with baking soda, let it bubble, then scrub away. Mix borax with water to create a paste, apply to stains, let sit, then wipe clean. For stubborn stains, use ...

Mary Gagliardi (aka “Dr. Laundry”), Clorox's in-house scientist and cleaning expert, says you should always reach for a cleaner with a low pH when cleaning hard water stains. Low-pH products don't ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Ellen Airhart Ellen Airhart wrote about emergency preparedness and sanitation.

Add Yahoo as a preferred source to see more of our stories on Google. A person cleaning a shower door - Nadiia Borodai/Getty Images We may receive a commission on purchases made from links. Hard water ...