Remove hard water stains from a glass (possibly crystal) flower vase

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I've tried putting a strong mixture of Koolaid unsweetened lemonade & warm water in the glass (possibly crystal) flower vase, letting it sit for a day or two, then rinsing it out... it helped but there is still some hard water residue left ...any suggestions?

  9 answers
  • V Smith V Smith on Oct 21, 2017
    I always have good luck with denture cleaning tabs. Full vessel with hot, not boiling, water and drop in 2 or 3 tabs.
  • Tri11996783 Tri11996783 on Oct 21, 2017
    Vinegar
  • Shi16610003 Shi16610003 on Oct 21, 2017
    I have used Comet bathroom cleaner for scrubbing stains from glass. Doesn't scratch the glass just don't over
  • Jesse Hopkin Jesse Hopkin on Oct 21, 2017
    Hot water and vinger let set over night or clr !

  • Sue Yudkin Sue Yudkin on Oct 21, 2017
    I have used straight white vinegar and a sponge on water glasses. Came out great. Had to use a little elbow grease.
  • Big lulu Big lulu on Oct 21, 2017
    Have you googled this?
    Try vinegar.
  • Genie Genie on Oct 21, 2017
    I've had success with distilled vinegar. You could try a mixture of 50/50 and let it sit as you did with your other mixture. If your vase is too narrow to use a bottle brush, you might try putting some BB's in and swirling them around to help "scrub" the residue off. Don't let them sit in the mixture, though; they may rust or otherwise mark your vase.
  • Cathy Dillon Cathy Dillon on Oct 21, 2017
    try vinegar.. .. but some glass is "sick" and nothing seems to work
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