How can I remove hard water stains from windows?

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I can't seem to get the water stains cleared off the windows of my sunroom where the watering system hits the windows. It also leaves spots on my cars side mirror that I can't get rid of.
  5 answers
  • Marilyn McKown Marilyn McKown on May 21, 2017
    Vinegar is great to remove hard water spots. Use a newspaper sheet to wipe it dry.

  • Patricia Patricia on May 22, 2017
    Yes use straight vinager and let it sit on there to work at dissolving the minerals. You might try putting rainex on your window after, so that the water doesnt stick. Waxing the car also will protect it.

  • Charly Charly on May 23, 2017
    Have your sprinkler heads readjusted. We had to because the iron in our water was turning my siding orange rust.

  • Kathy Kathy on May 25, 2017
    Car polish might take off mineral deposits and protect them from further damag.

  • Theresa Keaton Theresa Keaton on May 29, 2017
    vinegar should take it off.