Keep baking soda in the bathroom, and poke holes in the top. Sprinkle in tub/toilet Spray white vinegar over baking soda & scrub the foam. You’ll be surprised at how easy it is to remove dirt and grim once the foam has a chance to loosen it up. Rinse well with hot water, or the baking soda will leave a residue Click on the site to see the REAL before and after photos. Rub/scrub a half of a lemon on chrome faucets. Then magically rinse away the hard water.