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Miracle Sealants Phosphoric Acid Cleaner Gallon



Miracle Sealants Phosphoric Acid Cleaner

Fast-Acting Phosphoric Acid Cleaner For:

Concrete, Granite, Non-Polished Natural Stone, Grout, Quarry Tile, Brick, Ceramic & Porcelain Tile and Masonry Surfaces

Cleaning for cast surfaces including pre-cast concrete, non-polished natural surfaces including flamed and honed granite, tumbled and honed marble, cleft & hone slate, quarry tile, flamed and honed limestone, unglazed ceramic tile, porcelain tile, cement grout, brick, concrete, mortar and masonry.


  • Interior & Exterior Use
  • Milder Than Other Acidic Cleaners
  • Inexpensive
  • Fast Acting
  • Easy to Use
  • Dilutable

Coverage: Coverage will vary depending on density, porosity, texture, surface absorption, weather, time solution left on surface and application method. Used as directed, Phosphoric Acid Cleaner will cover approximately 500 - 2500 square feet per gallon (45 - 250 square meters per 3.785 liters) with standard dilution.

Application Instruction

Read entire label and PDS/MSDS before using. Thoroughly wet the surface to be cleaned with clean water. Phosphoric Acid Cleaner may be applied with a clean mop or acid resistant brush.Dilute Phosphoric Acid Cleaner 15 parts water to 1 part Phosphoric Acid Cleaner . For stronger solutions, reduce the water down to as low as 3 parts. Allow the solution to dwell on the surface for 1 - 5 minutes while agitating with a brush. Do not allow the solution to dry on the surface. Work in small areas. Extract dirty remains with a wet vacuum system. Multiple applications may be necessary. After extracting Phosphoric Acid Cleaner Solution, rinse thoroughly with clean water. Once the surface has been rinsed, rinse the surface with Tile & Stone Cleaner and clean water (20 - 1) as directed.

If a non-acid deep cleaning is necessary, use Liquid Poultice as directed.

Special Notes:

Acid and the vapors, no matter how mild, may etch, lighten or alter the color of tile, cementious and natural stone surfaces. Repeated acid washing may damage some surfaces. Avoid contact with all metals

Do not mix with ammoniated cleaners as harmful fumes may result.

Allow all new grout, concrete, cement or masonry to cure per manufacturer’s specification before using Phosphoric Acid Cleaner

Heavy Duty Cleaning: Use Phosphoric Acid Cleaner , HDAC or Liquid Poultice as directed.

Light Cleaning: Use Tile & Stone Cleaner, Porcelain & Ceramic Tile Cleaner, Limestone/Travertine Soap or Counter Kleen as directed.

Water, Stain & Slip Protection

To protect clean surfaces from future soiling, staining and increase static coefficient of friction, we recommend applying the appropriate Miracle Penetrating Sealer/Impregnator.


Store Grout Cleaner in the original upright container, properly sealed and unmixed. Stored at 77° F (25° C), Grout Cleaner will have a shelf life of 12 months. Do not allow to freeze.



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