HARVARD SAFETY ACID CLEANER - 4 / 1 GAL

SAFETY ACID CLEANER Phosphoric Acid Cleaner ƒ A fast acting, easy-to-use cleaner for pre-cast concrete, concrete, masonry, grout and tile. Removes cement grout haze and mortar residue, joint cement, lime and hard water deposits, efflorescence, rust and other dirt and grime. Suitable for interior and exterior use. A milder alternative to other acid-base cleaners for concrete, tile and grout pH: 1-2 Packaging: 4x1G 1480