UltraCare Sulfamic Acid Crystals is a granular powder that dissolves in water and produces a cleaner and problem-solver for nonporous, acid-resistant tile and natural stone. It removes cured cement grout haze, mortar residue, rust stains and mineral deposits such as efflorescence.

• Removes cement grout stains and mortar haze film residue
• Removes efflorescence, rust stains and other mineral deposits
• For interior and exterior applications
• Fast-acting and easy to use