My grandmother taught me this trick to remove hard water rings from flower vases with 0 effort. Here’s how it works

acidity, white vinegar is strong enough to dissolve mineral deposits without damaging glass surfaces.

Vinegar’s acidic nature makes it perfect for breaking down the alkaline minerals that form hard water stains. It’s also non-toxic and environmentally friendly, making it an excellent alternative to harsh chemical cleaners.

3. Why This Trick Works When Scrubbing Doesn’t

Scrubbing might seem like the best option, but it often only manages to tackle the surface of the mineral deposits. The texture of the stains can be stubborn, sometimes even etching into the glass, making them