Remove Hard Water Stains from Metal Hard water deposits can accumulate around metal sinks, shower framings & faucets & fixtures. Remove them safely with Stone & Glass Scrub! Non-acidic & non-toxic. Combines organic cleaning agents and a soft abrasive to gently remove water deposits, soap scum and grime from metal, glass & polished stone surfaces Remove Hard Water Stains From Your Natural Stone Countertops. Protect your sensitive stone surfaces with a gentle hard water deposit remover. Commonly used on polished countertops & showers! Non-acidic & non-toxic. Stone & Glass Scrub combines organic cleaning agents & a soft abrasive remove stubborn water deposits, soap scum & grime. Breathe new life into your marble, travertine & limestone countertops! Remove Hard Water Stains from Showers, Countertops & Metal Fixtures Quartz can be sensitive to scratching. Use a non-acidic, non-toxic compound that safely removes hard water & mineral deposit stains from sensitive countertop surfaces. Stone & Glass Scrub combines organic cleaning agents and a very soft abrasive to gently removes hard water deposits, soap scum and grime. Remove Hard Water Stains from Glass Stone Scrub is a unique non-acidic, non-toxic compound that safely removes hard water and mineral deposits from stone and glass surfaces. Stone Scrub combines organic cleaning agents and a very soft abrasive to gently removes hard water deposits, soap scum and grime from polished stone and glass without harming or scratching the surface. Excellent for glass showers, stoves & windows! Non-toxic and free of any scents, perfumes or dyes. Metal - Sinks, Fixtures, Shower Frames Natural Stone - Granite, Marble, Travertine & Limestone Quartz Countertops Glass & Shower Doors