If the hydrogen peroxide was unable to remove the staining diluted bleach may be the only product able to do so.
Damaged bleach on marble.
Only use bleach on light colored marble and do not use the poultice method on sealed marble surfaces.
The yellow stain didn t fade a bit.
This is because these cleaners contain acidic materials or chlorine both of which can permanently damage your marble countertops or marble floors.
On light colored marble you can dilute one quart of bleach with one gallon of hot water or for a small area a size appropriate 4 1 mixture to remove the stain.
Wear old clothing and rubber gloves when working with bleach.
A marble poultice is first applied to the surface of the marble above the stain the liquid part of the poultice will be partially absorbed by the marble and will slowly draw out the stains from the marble pours into the white paste material.
I don t recommend this unless like.
I started to scrub.
This includes brand name cleaners as well.
The damage from bleach stems from an entirely different characteristic.
To protect marble surfaces from stains scratches etches and watermarks always use coasters and trays with felt lining.
Bleaching stains removes most discoloration from unsealed marble.
Almost every guide for the care and maintenance of marble warns that you should not use bleach vinegar or other harsh cleaners.
In general we recommend against using any of our tilex bathroom cleaners both with and without bleach on marble so i wouldn t advise bleach usage here.
Bleach is alkaline so it doesn t pose the big risk of acidic cleaners which dissolve sensitive stone including marble.
Work in a well ventilated area.
Calcium carbonate the primary compound in marble can be highly reactive to both acidic and alkaline cleaners.
Citrus and alcohol can dull a marble surface so don t places containers.
Your tiles may end up etched pitted or discolored.
When marble is damaged by an acid it is called etching.
Bleach can be used sparingly in certain situations in a very very dilute solution but more often than not people get the mix wrong and etch their marble.
Etching is corrosion that eats away at the marble which will cause dull and light colored or clear spots.
First i tried a mild solution of dishwashing soap and water.