CUSTOM TLSACRA1 Sulfamic Cleaner, 1 lb Pail, Crystalline Solid, Characteristic

Concentrated crystals that mix with water to make a mild, safe to use, acid cleaner. Removes dried Portland cement, grout haze and mortar residue from tile, concrete and masonry. Safe for use on colored grouts. Removes hard water deposits, efflorescence and also etches concrete.