Nearly all grout haze removal products are made with acids and will etch burn the marble floor tile ruining the polished finish and leaving it dull.
Grout haze honed marble.
Fill grout joints on natural marble with joints larger than 1 8 inch with sanded grout.
I tested a small area today with a regular cloth and it wasn t going anywhere.
How to take haze off of marble tile 1.
The above product is made specifically for use on marble.
However most grout haze removers are acidic and acids and other harsh cleaners will dull and damage the finish of your carrara marble or any marble.
I suggest using a 50 50 solution of r55 intensive cleaner with water.
2 i read online that polished marble tiles do not absorb at all and that it is a myth that was perpetuated.
While sealing the grout a lot of sealer has marked the tiles.
Sometimes water alone after the grout has dried may not remove the residues.
1 i don t know if the white marble stones absorbed the grey grout and that is why it s darker looking than the marble tile when it wasn t installed.
Apply the grout remover.
It utilizes nano sized particles to penetrate into small surface pores where it can.
Move to chemical grout remover if the sponge and water don t work.
Read the directions carefully as different.
To be safe we sealed the stones anyway.
Nanoscrub grout haze remover is an abrasive cream cleaner designed to work where other cleaners won t.
Because it is a polished marble made of calcium carbonate it makes it acid sensitive.
Marble etching can occur from acidic and or harsh chemicals.
Fill a sponge with water wring most of it.
It is clear that the grout has left a haze or film on the surface of the marble.
Before installation we used a marble sealer on them for about 14 hours.
You can start cleaning it right after the grout lines dry.
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.
Dampen the grout haze with pure water first to see if that removes it.
Of course rinse the spot with clean water right away and wipe dry.