Sulfamic Acid Cleaner

Regular price $18.95

What's it for

TILELab® Sulfamic Acid Cleaner contains 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.

Key Features

  • Removes grout haze and residue
  • Safe to use
  • Removes hard water deposits and efflorescence

Suitable for

Use on all colors of grout, tile, clay pavers, concrete and masonry.

    Limitations to the Product

    • Do not use on marble or other polished stone.
    • May etch some glazed tile.

    Technical Data



    Obtain the applicable LIMITED PRODUCT WARRANTY at or send a written request to Custom Building Products, Inc., Five Concourse Parkway, Atlanta, GA 30328, USA. Manufactured under the authority of Custom Building Products, Inc. © 2017 Quikrete International, Inc.

    Mixing Instructions

    Mix solution in a plastic container using clean, warm water. Don't mix in metal container. Wear rubber gloves and eye protection. For removal of light mineral deposits and Portland cement grout haze or mortar residue on unglazed quarry or glazed tile with colored grout, mix 2 to 3 oz. (57 to 85 gm) with 1 gallon (3.78 L) of water. Mix 6 to 12 oz (170 to 340 gm) to 1 gallon (3.78 L) of water for unglazed tile or masonry that has gray-colored grout joints. For etching concrete or heavy-duty cleaning of old concrete, mix a minimum of 12 oz (340 gm) to 1 gallon (3.78 L) of water. Note: Do not use on marble or other polished stone. This product may etch some glazed tile. Test solution on a small, inconspicuous area before proceeding. Don't allow product to contact metal fixtures.


    I bought this at the recommendation of the grout manufacturer. The "professional" tile installer we used didn't wipe off the grout and mortar sufficiently and it left a haze. We had to use this product applied by hand to remove the hardened haze. It worked fantastically.

    Sharon S

    Worked well and it's very economical