Products : Care & Maintenance : Cleaners : TileLab® Grout Haze Remover

TileLab® Grout Haze Remover

A pre-mixed, ready-to-use, mild acid solution. 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.

  WHERE TO BUY Not all products are sold at all stores. Please call the distributor to ensure product availability.
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Key Features

  • Liquid acidic treatment
  • Removes efflorescence


Used for removal of dried Portland cement grout and mortar residue from the surface of glazed and unglazed ceramic tile, concrete and masonry. It is ideal for neutralizing efflorescence. It can also be used to slightly etch concrete surfaces to create a better bond for adhesives.


Health Precautions

DANGER: CORROSIVE. HARMFUL IF SWALLOWED. CAUSES EYE, SKIN AND RESPIRATORY IRRITATION. Wear skin and eye protection. Do not breathe vapor or spray. Contains glycolic acid. If in eyes, flush with water for at least 15 minutes. If on skin, wash with soap and water. If respiratory tract is irritated, move to fresh air. If irritation persists, seek medical attention. If swallowed, DO NOT induce vomiting, seek medical attention. KEEP OUT OF REACH OF CHILDREN. Do not transfer contents to unlabeled containers. Close container after each use.

Limitations to the Product

May etch some glazed tile. Do not use on marble or polished stone. Do not allow product to contact metal objects. Do not transfer contents to unlabeled containers.

Application of Product

USE CHEMICAL-RESISTANT GLOVES, such as nitrile, when handling product.

Read entire label before using. Follow surface preparation instructions. Surface must be saturated with water at least one hour prior to acid solution application. Avoid contact with metal. Scrub surface with a nylon bristled brush after applying solution. Work in small areas only. Flush with water immediately after brushing surface. Do not allow solution to set longer than is necessary for brushing to be completed on Portland cement grout, glazed ceramic and unglazed quarry tile or masonry installations. Wash thoroughly with water as soon as brushing is completed. Do not use repeated acid washings as damage to surface may result. For heavy concrete etching, solution may be allowed to set on surface of concrete for up to 30 minutes prior to flushing with clean water.

Cleaning of equipment

Clean tools and hands with water before material dries.


  • Close container tightly after each use
  • Store in original container only
  • Store in and use in temperatures between 40°F - 90°F (4°C and 32°C)
  • Store in areas inaccessible to small children
  • Do not reuse empty container, wrap and discard in trash or recycle

Product Maintenance

Properly installed product requires no special maintenance.

Ordering Information


1 quart (946 mL) bottle

Warranty Information

Product Warranty

Custom® Building Products warrants to the original consumer purchaser that its product shall be free from defects in material and workmanship under normal and proper usage for a period of one year following the date of original purchase. Custom's® sole liability under this warranty shall be limited to the replacement of the product. Some states, countries or territories do not allow the exclusion or limitation of incidental or consequential damages, so the above limitation or exclusion may not apply to you. This warranty will not extend to any product which has been modified in any way or which has not been used in accordance with Custom's® printed instructions. Custom® makes no other warranties either expressed or implied. This warranty gives you specific legal rights, and you may have other rights that vary from state to state or from one country/territory to another.  This warranty is not transferrable.

Product Videos


Coverage Chart

SIZE Min Coverage Max Coverage
Quart (946 mL) 75 sq. ft. (7 M²)  

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