Miracle Sealants PHOSGAL4 Phosphoric Acid Cleaners, Gallon, 128 Fl Oz

For use inside and out to clean unglazed ceramic tile, porcelain tile, cement grout, brick, concrete, mortar, masonry and more

Fast acting formula removes cementations grout residue and dirt build up

Covers up to 2,500 square feet per gallon with standard dilution - coverage varies depending on surface use

Milder than other acidic cleaners with easy application

Easy application with a clean mop or acid resistant brush makes cleaning fast