How To Clean Glass Shower Doors With Hard Water Stains A clear glass door is what reflects the beauty of your shower. And when the latter is covered with hard water stains and soapy dirt, unfortunately, it loses its luster. And, since showers are often used, and sometimes several times a day, this problem is inevitable. That's why we've compiled a list of some of the best cleaning solutions that will amaze you with their results. The good news is that most of the products we will show you here are already in your home. So all you have to do is take them out of your pantry and start using them properly. How To Clean Glass Shower Doors With Hard Water Stains 1-Vinegar