To do this use grade 0000 steel wool.
Marble wax seal.
It needs to have a solid manufacturer backed product warranty.
This means it is nsf ansi 51 2012 compliant.
Stay away from wax and polish.
Lastly remove the wax from your countertop.
Spread the sealer across the entire marble countertop with a clean dry cloth and let the sealer soak into the marble for the length of time specified on the product s container typically less.
The best marble sealer is going have low or no vocs volatile organic compounds and be environmentally friendly.
At a minimum wait at least 10 minutes for the wax to soak in.
Marble is vulnerable to staining and discoloration so it should be sealed with a commercial grade stone sealer.
Since marble countertops grace many kitchens the sealer will also be certified safe for use where food is prepared.
This will make your stone yellow.
Remove the wax.
I recommend dupont stonetech bulletproof sealer.
It will usually only take a few minutes.
Expect to seal every year despite popular sealant brands saying that they last three.
What should you use as a sealant.
This will remove any impurities from the surface of the marble that may interfere with the sealing process.
Spray the counter with a marble cleaner and buff dry with a soft cloth.
There are specific marble polishes easily found.
This sealant is a protective layer between the stone and the outside world.