This will make your stone yellow.
Marble wax seal.
Four no wax polishes.
Spray the counter with a marble cleaner and buff dry with a soft cloth.
It needs to have a solid manufacturer backed product warranty.
Stay away from wax and polish.
As you are carefully removing the wax you will need to make sure you are not getting wax back onto the countertop.
The best marble sealer is going have low or no vocs volatile organic compounds and be environmentally friendly.
Lastly remove the wax from your countertop.
I recommend dupont stonetech bulletproof sealer.
Expect to seal every year despite popular sealant brands saying that they last three.
This sealant is a protective layer between the stone and the outside world.
This means it is nsf ansi 51 2012 compliant.
This will remove any impurities from the surface of the marble that may interfere with the sealing process.
Marble wax is used as a coating to protect the surface of the marble.
To do this use grade 0000 steel wool.
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.
It will usually only take a few minutes.
What should you use as a sealant.
Since marble countertops grace many kitchens the sealer will also be certified safe for use where food is prepared.