Printable version: How to remove Grout Haze Residue – Cement Grouts
Method A (within first 10 days of grouting)
Purpose: To remove grout haze, cement and latex modified grout that has cured on the tile or stone surface
Product Recommendation: Grout Haze Clean-Up (Notes A & B)
Equipment: AquaScrub or brush, bucket and cotton towels
Optional: scrub machine, wet-dry vac
Coverage: Approximately 200 sq. ft. (20 m2) per gal (3.78 L)
1. Always test a small area first to ensure satisfactory results.
2. Sweep or vacuum surface.
3. Apply Grout Haze Clean-Up full strength onto a manageable area of up to 10 sq. ft. (1 m2)
4. Allow to dwell 5 to 10 minutes. A longer dwell time may be needed.
5. Agitate with a scrub brush or scrub pad.
6. Mop up dirty solution.
7. Rinse thoroughly with clean water.
Method B (after grout has cured a minimum of 10 days)
Product Recommendation:Cement Grout Haze Remover or Phosphoric Acid Substitute (Notes A & B)
Equipment: Synthetic mop and bucket with wringer and scrub brush or scrub pad
Coverage: Approximately 400 – 1,200 sq. ft. (35 m2 – 110 m2) per gallon (3.78 L)
1. Allow newly grouted installations to cure a minimum of 10 days.
2. Always test a small area first to ensure satisfactory results.
3. Sweep or vacuum surface.
4. Pre-wet surface with water.
5. Mix 1 part Cement Grout Haze Remover or Phosphoric Acid Substitute to 5 parts water. Stronger solution may be used if necessary.
6. Apply solution onto a manageable area of up to 10 sq. ft. (1 m2). Do not allow solution to dry.
7. Allow to dwell 1 to 2 minutes.
8. Agitate with a scrub brush or AquaScrub.
9. Mop up dirty solution. A wet-dry vacuum may be used.
10. Rinse thoroughly with clean water agitating with a scrub brush to ensure removal of cleaning agents and acid.
11. Repeat procedure if necessary.
Note A: Do not use on marble or on other acid-sensitive tile or stone. Refer to Aqua Mix Technical Bulletin #3.
Note B: Mix NanoScrub® into a wet slurry with either Grout Haze Clean-Up, Cement Grout Haze Remover or Phosphoric Acid Substitute for stubborn, difficult to remove grout haze problems.
These recommendations are intended as general guidelines for the removal of cementitious standard and latex modified grout haze. The actual product dilution ratios and cleaning requirements may vary depending on the use, amount and type of grout film present and method of application.
READ PRODUCT DIRECTIONS THOROUGHLY PRIOR TO USE. ALWAYS TEST
FIRST. KEEP SURFACE CLEAN AND DRY TO REDUCE POSSIBILITY OF SLIP-FALL ACCIDENTS.