How To Remove Hard Water Stains From Shower Glass. Depending on how bad your buildup is you may or may not need to do this step. Prepare the barkeepers friend paste.
Prepare the barkeepers friend paste. How to remove hard water stains from glass shower doors mix equal parts of vinegar and water in a spray bottle. Using vinegar for light stains.
Pour the mix into a spray bottle.
It s not enough however to smear and swipe away. Prepare the barkeepers friend paste. Davis suggests this powerful one two punch. Soak the sponge or soft scrub it needs to be damp in order to rinse the stain.