×

How to Clean Grout Haze From Marble

The haze that appears on marble after grouting is an expected occurrence. It is the result of the grouting process and is best dealt with immediately for two reasons. First, the initial grout cleaning is what will define the appearance of the seams. The desired look is a consistent depth and width, which also serves to strengthen the joint between the marble tiles. Second, if allowed to cure too long after initial application, it will be difficult to get a consistent depth and width, and removing the haze will be more difficult and time-consuming.

Preparation

Step 1

Fill both buckets about three-quarters full with clean, potable and room-temperature water.

Step 2

Place one grout sponge in each bucket and allow to soak for three to five minutes.

Step 3

Lay a protective drop cloth over any surfaces that you do not wish to be discolored, moistened or soiled.

Step 4

Designate one bucket for rinsing and the other for cleaning.

Grout Haze Removal

Step 1

Wring out the cleaning water sponge, leaving about one-third of the water in the sponge. Gently wipe down the affected area at 45-degree angles to the grout seams. Regularly remoisten the sponge by wringing it out in the cleaning bucket until the entire surface has been moistened.

Step 2

Allow the surface to dry for two to three minutes and repeat Step 1 using the cleaning bucket. Repeat this process until only a slight grout haze remains.

Step 3

Now allow the grout and marble to dry for 15 to 30 minutes. This will prevent the grout in the seams from becoming too wet, resulting in undesirable complications (See tips section).

Step 4

Wring out the final rinse sponge, leaving about one-third of the water in the sponge. Gently wipe down the affected area at 45-degree angles to the grout seams. Regularly remoisten the sponge by wringing it out in the final rinse bucket until the entire surface has been moistened.

Step 5

Allow the surface to dry for two to three minutes and repeat Step 4 using the final rinse bucket. Repeat this process until no signs of grout haze remain.

Warnings

  • - Wear safety glasses at all times when cleaning grout haze.
  • - Wear latex rubber gloves when coming in contact with grout sponges and the cleaning and rinsing water.