Theochem 0717 Rust Magic liquid cleaner is a fast acting, heavy duty acid cleaner for textured, non-polished, natural and manufactured surfaces. A fluoride based product is designed to remove rust from concrete, stucco and other hard surfaces and can also be used to remove hard water stains left behind by lawn sprinklers, very easy to use cleaner and definitely harmful for food products. Product dimensions:-Product weight:10 lbs. Each Remove rust from concrete, stucco and other hard surfaces Designed to remove hard water stains left behind by lawn sprinklers. Easy to use Harmful to vegetation. Usage Tips:-Additional info:- CHM-WH-TC-100717 #04316