Miracle Sealants PHOSQT6 Phosphoric Acid Cleaners, Quart, 32 Fl Oz

Miracle Sealants Phosphoric Acid Cleaner is designed for use on interior and exterior natural stone, pre-cast concrete pavers, concrete and masonry. Fast-acting cleaner formula helps remove grout and mortar residue, hard water deposits, rust and more.
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