TileLab Sulfamic Acid Cleaner - 1lb

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 coloured grouts. Removes hard water deposits, efflorescence and also etches concrete. TileLab No VOC (Volatile Organic Compound) formulas help to provide better indoor and outdoor air quality compared to similar traditional products. Removes grout haze, mortar residue and efflorescence Etches concrete