A concentrated, professional strength acidic cleaner formulated specifically for cleaning and restoring natural stone, tile and grout.  Removes cement-based grout haze, efflorescence and mineral deposits.  Use ONLY on non-acid sensitive surfaces. 
Safely Removes Grout Haze, Efflourescence and Mineral Deposits
Safe for Ceramic, Porcelain and Grout
Concentrated Formula
DO NOT USE ON: Marble, Limestone, Travertine, Onyx, Concrete