A simple DIY vinegar solution will sanitize your porcelain sink and remove stains ... as well as hard water and soap scum ...

Rinse the solution thoroughly with clean water and repeat the process as necessary to remove ... porcelain surfaces. Make it a habit to dry your sink after using it to prevent stains from hard ...

Items you will need You could use either a commercially made product or a homemade one to remove hard water stains. For a homemade ... hot or warm water. 1. In a sink or basin, put half vinegar ...