Sometimes checking for moisture is important because water content in marble tiles is a clear indication that soon the material may turn yellow with iron beginning to oxidize.
Yellow stains on marble tile.
The paste should be about 1 4 to 1 2 inch thick.
You only need to cover just past the actual stain.
Water stains are yet another common stain that occurs on marble.
These stains can be the result of a water glass that was left on a marble countertop for too long or from hard water buildup around sinks and showers.
If water leaches into the core of the marble tile and contacts these deposits the iron will rust and bleed to the surface causing brown orange or yellow spots marble stains.
Usually the problem occurs in showers and on floors because there is water under or behind the tiles.
White marble tiles can remain for years without yellowing then over time may slowly turn yellow and in severe causes may turn completely brown.
This process of oxidation is similar to the rusting of metal.
This process of oxidation is similar to the rusting of metal.
This oxidation process is accelerated when the tile is saturated as in the flood in the above example.
Mold can stain marble bathroom countertops floors etc.
This oxidation process is accelerated when the tile is saturated as in the flood in the above example.
White marble tiles can remain for years without yellowing then over time may slowly turn yellow and in severe causes may turn completely brown.