What is the best cleaner for hard water stains on glass?
What is the best cleaner for hard water stains on glass? Using WD-40®: WD-40® Multi-Use Product is great when it comes to mirror cleaning and water spot removal. It is easy to use and all you have to do is spray the liquid on to the affected area and wipe it clean with a clean cloth. It will leave your glass windows and mirrors sparkling clean and as good as new.