The grout most likely is not the source of the issue but rather the residence of the efflorescence.
Efflorescence on bathroom floor tiles.
Answer answer i assume if you have efflorescence on a ceramic tile that it is either coming up through the porous grout joints or it is an unglazed porous ceramic tile.
Nor when tile is installed with thinset tile cement are there enough soluble salts in the thinset to cause efflorescence.
Efflorescence is a common problem seen in bathrooms with stone tile and various other types of masonry.
Metal tile 106 mosaic tile 2729 natural stone tile 1306.
Typically the minerals originate in the cement slab below the tile or in the ground below the slab.
Except in the rarest of cases efflorescence does not occur from the small amount of minerals in water used to wash a floor.
A sign that water is penetrating the material.
Efflorescence is a crystalline deposit of salts that can form when water is present in or on brick concrete stone stucco or other building surfaces it has a white or greyish tint and consists of salt deposits left behind when water evaporates.
Make sure your bathroom and kitchen backsplash tiles are also suitable for water wear and are easy to clean.
When those hard white spots show up in your home usually on your shower floor it s a bad sign.
Glazed ceramic tiles have a surface that has a fired on glass like impervious coating so you normally would not have efflorescence on that surface.
Grout efflorescence occurs when salts in the grout leach through to the surface of the tile.
As beautiful and stylish as wall tiles look they are often lighter and thinner than floor tiles and are not designed for foot traffic.
What method was used to install the substrate the surface just below the tile.
Today tomorrow but not forever.
Although efflorescence can be removed from the tiles you should wait at least 3 days after installation before applying water and at least 10 days before applying any products containing acid.
How to remove from tiles i assume if you have efflorescence on a ceramic tile that it is either coming up through the porous grout joints or it is an unglazed porous ceramic tile.
Is this issue occurring in the bathroom floor the stall shower floor or both.
Efflorescence has been in existence since the beginning of time.
Efflorescence tech report furnished by claudia ramirez of stone tech professional 1 22 05 efflorescence and how it affects ceramic tile and other installations.
This will give the grout ample time to cure.