1.) Mix baking soda, ammonia and vinegar in a 4L plastic jug or pail.
2.) Add warm water and mix well.
3.) Spray solution directly onto tile and wipe with a damp sponge or scrub pad.
Editor’s Note: Ceramic surfaces can also be cleaned with baking soda sprinkled on a sponge or a nylon scrub pad. For a more abrasive cleaner, rub soiled surfaces with one half of a lemon dipped in borax, then rinse.