Each one of these above stains have a unique method of removal.
Marble staining problem.
A marble stain is when a substance is absorbed into the pores of the marble.
Marble is not very absorbent so it does not stain easily.
The marble seems to absorb and diminish stains over time.
Staining all stone surfaces can become stained very easily.
Usually the problem occurs in showers and on floors because there is water under or behind the tiles.
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.
So closed in fact that marble often cannot absorb even a sealer stay tuned for my marble sealing post marble etching.
Mold can stain marble bathroom countertops floors etc.
Marble is more porous than other common countertop materials like engineered stone sold often as simply quartz or soapstone so it can be prone to staining and etching a k a light.
Method of stain removal.
This is because the pores are closed down in the polishing process.
Most of them can be removed with a marble poultice.
Once a stone becomes stained it can be very difficult to remove.
This is a material made from a porous solid and a solvent some sort of liquid to form a paste type material that has the consistence of cake icing or peanut butter.
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.
I also discovered how to lift up small beginnings of stains with a poultice made of baking soda and water mixed into a paste and left on the countertop overnight.
Also to my surprise i found that some of the staining that happened before the countertops were sealed faded significantly.
Blot the spill with a clean paper towel or cloth.
Most foods drinks ink oil and rust will stain marble.