If this does not work then use a fine steel wool grade 0000.
Water stain on marble floor.
Wash it off after 12 24 hours and the stain should be gone.
If the stained area feels raised it is a hard water stain.
Water stains are yet another common stain that occurs on marble.
If you add too much water just add a little more baking soda until you get the right thickness.
Dip the edge.
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.
Wipe with a damp cloth and dry with a clean cloth.
Make a natural poultice to remove stains if there is a stain though we haven t yet had one in here i make a natural marble poultice from mixing baking soda and water to create a paste smear the paste over the stain and cover it with cling wrap to keep the poultice in place.
Dry the surface around the water stain then rub in a circular pattern over the stain until the stain buffs out of the marble.
Above the etch mark wipe the surface clean of any grit of dirt.
Examine to see if any water mark residue is still present.
Rub your hand over the marble surface.
Instead it just absorbs into the marble.
Mold is a common problem in many bathroom settings.
Can usually be removed with a marble cleaner and a soft towel.
Water stains happen when water sits on the marble surface for too long and evaporates leaving a dull stain of magnesium and calcium left behind by the water.
Drizzle a few drops of dish soap over a damp cleaning rag.
Wet stone is always darker in color so the white marble tiles become gray and stay gray since they are saturated with water.
The problem is most likely a bad installation and or cracks or voids in the grout allowing water to get trapped behind the tiles where it cannot evaporate.
Mold can stain marble bathroom countertops floors etc.
Add the polishing powder.
In most cases this should be sufficient to remove the water stains however if this does not work then we recommended trying a marble cleaner specifically designed to remove hard water.
Spray the polishing powder 2 to 3 times with the spray bottle to dampen the polishing powder.
Add enough water to 1 4 cup baking soda to make a paste the consistency of peanut butter.
If the marble tile is exposed to a constant source of water or if the floor was flooded and water is trapped beneath the tiles it can saturate the marble exposing the iron deposits to water.
Scrub over the marble surface to remove fresh water.
Add enough mb 11 polishing powder to cover the stain.
How to remove water marks from marble step 1.
Since marble is softer than other natural stones such as granite it is more susceptible to staining from cooking and spills.
When this happens the iron oxidizes and the rusty water is carried to the surface to evaporate leaving brown yellow orange stains.
See below for marble poultice process.