Add more peroxide if needed for stain removal.
Cleaning marble with amonia and peroxide.
For ink on light marble use bleach or hydrogen peroxide.
Follow the above directions for removing rust stains from marble to effectively remove organic stains.
If you are cleaning marble floors then try using a duster or broom for this.
Spread the solution over the surface with a soft cloth.
Sweep or vacuum your marble floors on a hard floor setting to remove any dirt or debris that can scratch the floor.
A high strength hydrogen peroxide such as a 12 percent solution removes some types of stains from light colored marble.
You can create a marble poultice using 6 hydrogen peroxide and a few drops of ammonia.
Mix 1 4 cup each of baking soda vinegar and ammonia and dilute it in eight cups of water.
If you spilled anything oil based like a vinaigrette.
Then wash off with cold water.
Materials that can be removed with peroxide include some inks from markers.
Wipe the stains with this solution and leave on for 10 minutes.
2 mix 1 2 cup of ammonia with 1 gallon of warm water in a bucket.
For most organic food stains the marble institute recommends cleaning with a solution of 12 hydrogen peroxide and a few drops of ammonia.
Such biological stains as algae can be cleaned with cup ammonia in 1 gal.
For removing stubborn stains from cultured marble you may require a harsher cleaner.
On dark marble use lacquer thinner or acetone.
Pour 1 2 cup of hydrogen peroxide into a gallon of warm water.
Use the cloth to rub the mixture into the marble.