Add Yahoo as a preferred source to see more of our stories on Google. Iuliia Mikhalitskaia / Getty Images Hard water stains appear as a result of high mineral content in your water, especially ...

Your household glass cleaner won't cut it for hard water stains.

In the scope of housework, hard water stains are high on the list of public enemies in my home. Because we live in a place with hard water, they're devilishly difficult to remove (and incredibly quick ...