MarbleSafe Stone Cleaner
It is easy to use, has a pleasant scent, and it neutralizes salts which surface in damp areas (efflorescence) as you clean.
MarbleSafe® stone cleaner is safe for daily use and has been used by Marble Medics of America and its clients for nearly thirty years.
One gallon concentrate Twenty-seven dollars.
MarbleSafe® stone cleaner is designed to facilitate cleaning and maintenance of all natural stone, without the risk of damage inherent in many of the cleaning products found in markets and supply stores today.