There are specific marble polishes easily found.
Marble wax seal.
Spray the counter with a marble cleaner and buff dry with a soft cloth.
What should you use as a sealant.
Marble wax is used as a coating to protect the surface of the marble.
The best marble sealer is going have low or no vocs volatile organic compounds and be environmentally friendly.
Remove the wax.
This means it is nsf ansi 51 2012 compliant.
It will usually only take a few minutes.
Expect to seal every year despite popular sealant brands saying that they last three.
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.
Four no wax polishes.
This will remove any impurities from the surface of the marble that may interfere with the sealing process.
Marble is vulnerable to staining and discoloration so it should be sealed with a commercial grade stone sealer.
It needs to have a solid manufacturer backed product warranty.
Lastly remove the wax from your countertop.
This will make your stone yellow.
I recommend dupont stonetech bulletproof sealer.
At a minimum wait at least 10 minutes for the wax to soak in.
Stay away from wax and polish.
To do this use grade 0000 steel wool.