TileLab Sulfamic Acid Cleaner - Model# 76444
TILELAB SULFAMIC ACID CLEANER
Concentrated crystals that mix with water to make a mild, safe to use, acid cleaner.
Removes dried Portland cement grout and mortar residue from tile, concrete and masonry. Safe for use on colored grouts. Removes hard water deposits, efflorescence and etches concrete.
1 Lb. Container - 1 Gallon of solution will clean approximately 300 sq. ft.