Link to product info on amazon lying around may i suggest you pop into your friendly lumber yard store and ask to see.
Muriatic acid on marble.
Allow the muriatic acid to remain on the concrete for at least 10 minutes after a strong scrubbing.
To clean and etch concrete mix one part muriatic acid to 10 parts water.
Stone surface material may be lost all over or only in spots that are more reactive.
Limestone marble and granite are just a few of the natural stones available.
Brush or spray the acid solution on the concrete wait eight to 10 minutes then neutralize the acid by spraying the.
Acid stains such as by a toilet bowl cleaner or battery acid cause what is known as etching on marble.
Used for tiles walls and countertops grime will quickly cover your stone item and require a thorough cleaning.
This will allow the chemical compounds to be released into the concrete making painting or staining more acceptable.
I wouldnt use any acid on true marble tiles marble being a make up of focillized shells means it is a natural base if acid is added then it may cause a reaction extremely damaging to the tiles appearance and physical structure.
Muriatic acid is a heavy duty chemical that will clean away dirt soap scum and efflorescence from your natural stone and masonry items.
Apply the muriatic acid solution to the concrete with your scrub brush.
And then read.
Now we are going to get more aggressive with our mineral cleaning technique.
If needed a professional marble restorer can always be called to repair the damage.
In spite of it s availability it is dangerous.
When sulfurous sulfuric and nitric acids in polluted air and rain react with the calcite in marble and limestone the calcite dissolves.
Whether your tombstone is young or not is immaterial.
The instructions on the cans for cleaning brick first of all.
It is sold in one gallon containers and is used to clean masonry and as a rust remover which is what we will use it for.
These stains can be difficult to remove but not impossible.