Because it is a polished marble made of calcium carbonate it makes it acid sensitive.
Grout haze on marble.
Try a sugar.
Most grout haze removers are acidic and will etch the marble dulling the surface and ruining the finish.
How to take haze off of marble tile 1.
Read the directions carefully as different.
You can start cleaning it right after the grout lines dry.
Move to chemical grout remover if the sponge and water don t work.
Make sure the water is warm as this will help the cleaning ingredients dissolve more easily plus tend to loosen any residue on the grout.
Exercise care to avoid damaging.
Grout can be cleaned with harsher chemicals and utensils than marble can.
As soon as possible after installation brush away loose grout from the surface of the stone.
However you can use the hard water and soap film remover which works very well to remove grout haze and is made for use on marble and all stone.
The grout between the marble tiles becomes dirty and discolored over time with normal use.
Grout haze and residue is typically removed with an acid solution after the tile is.
Of course rinse the spot with clean water right away and wipe dry.
I tested a small area today with a regular cloth and it wasn t going anywhere.
Brush away loose grout.
Remove grout haze with water and cheesecloth.
Protect your hands with rubber gloves and dip your cheesecloth or terry cloth in water.
How to get rid of grout haze on your stone tiles avoid grout removal products.
If it is actually a cement haze then if you take some diluted vinegar in a out of the way spot and apply it to the haze it should remove it.
While sealing the grout a lot of sealer has marked the tiles.
Apply the grout remover.
Most grout haze removers are acidic and will etch the marble dulling the surface and ruining the finish.
Fill a sponge with water wring most of it.
Fill a bucket halfway with warm water using about a gallon of water.
Dampen the grout haze with pure water first to see if that removes it.