Bath shower soap scum hard water remover recommended in the article comments above see links above.
Cleaning grout haze on marble.
Apply the grout remover.
I tested a small area today with a regular cloth and it wasn t going anywhere.
How to get rid of grout haze on your stone tiles avoid grout removal products.
Wring thoroughly as too much water can damage.
The key is to use a mild.
Grout haze and residue is typically removed with an acid solution after the tile is.
Fill a sponge with water wring most of it.
Most grout haze removers are acidic and will etch the marble dulling the surface and ruining the finish.
So double duty from the same product.
Move to chemical grout remover if the sponge and water don t work.
Read the directions carefully as different.
Try a sugar.
Make sure the water is warm as this will.
If you do get grout haze then use the scp.
How to take haze off of marble tile 1.
Fill a bucket halfway with warm water using about a gallon of water.
As soon as possible after installation brush away loose grout from the surface of the stone.
Use gentle back and forth motions with the toothbrush to clean only the grout.
Brush away loose grout.
Dampen the grout haze with pure water first to see if that removes it.
There are special cleaners for removing latex haze so go to cleaners and sealers to get links to manufacturers of these products or contact the grout manufacturer who might offer a latex haze remover.
Remove grout haze with water and cheesecloth.
Protect your hands with rubber gloves and dip your cheesecloth or terry cloth in water.
Of course rinse the spot with clean water right away and wipe dry.
Scrub the grout between the marble tiles with the toothbrush.
If you use a latex modified or polymer modified cement grout then the haze can be a latex haze which an acid will not remove.
You can start cleaning it right after the grout lines dry.
Because it is a polished marble made of calcium carbonate it makes it acid sensitive.
Avoid getting the baking soda on the marble or brushing.
How to clean marble grout step 1.
This will remove the grout haze and you ll want to use this product as your regular marble safe shower cleaner as well.
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.