A paste of baking soda, dish soap, and water acts as a gentle cleaner for shower doors, tubs, and tile. For grout and drains, use a mixture of hydrogen peroxide and baking soda . Natural stone ...

Soap scum, a gray or white film formed when hard water mixes with soap and other residues like dirt and body oil, often appears on shower doors, bathtubs, tiles, and faucets. Besides being unsightly, ...