Forget other methods like : Half a grapefruit and some kosher salt, Dishsoap, Baking Soda, Baking Soda and Vinegar
Use 20 Mule Team Borax!!
How to use?
Sprinkle 20 Mule Team Borax on a damp sponge or cloth and wipe on shower stalls, tubs, walls, and tile to remove soap scum, hard water deposits,...
How to Clean Your Bathtub
