If you are concerned about hard water marks on marble use distilled water.
Blood stains marble.
Apply it thickly to the stain and cover with a damp cloth to retard drying.
Follow these steps to remove blood stains from alabaster or marble.
Where water is called for use cold water rather than warm to avoid setting the blood stain.
Method of stain removal.
A stain survives to this day on the marble stairs at the place where taulbee was shot.
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.
Wipe stain with a sponge dipped in cold water.
It s not paranormal it s the nature of marble wood and blood to stay together.
It is rumored to be the stain left by the former congressman s blood.
Each one of these above stains have a unique method of removal.
You can create a marble poultice using 6 hydrogen peroxide and a few drops of ammonia.
Blood stains should be treated as soon as possible because they can set quickly.
Reading about cleaning blood from marble i think the advice to treat quickly before the stain sets means that the blood stains of taulbee will forever stay just where they are.
Cultured marble is different from natural marble in that it has a resin finish that is non porous and more resistant to stains.
Follow the above directions for removing rust stains from marble to effectively remove organic stains.