To test your surface leave a few drops of water or a wet paper towel on the granite for 10 to 15 minutes doing this in an inconspicuous area.
Resealing granite benchtops.
Spray cleanser evenly onto the surface and buff the stone to remove surface debris grime finger oils or other substances that could block the sealer from penetrating the stone.
If you have granite benchtops that do require sealing you will need to re apply the sealer periodically in order to keep the granite in tip top condition.
The sealer should be reapplied at least every couple of years but preferably yearly.
Although you may find that many countertops do not require being sealed applying a sealer is common practice.
Granite differs from granodiorite in that at least 35 of the feldspar in granite is alkali feldspar as opposed to plagioclase.
Buff the granite completely dry and wait an hour for any moisture the stone has absorbed to evaporate.
By definition granite is an igneous rock with at least 20 quartz and up to 65 alkali feldspar by volume.
Engineered stone engineered stone benchtops bartops and vanities such as caesarstone essastone quantum quartz silestone and hanstone do not usually require sealing according to.
Granite benchtops are not as porous as the softer stones however they can still stain with constant exposure to oils and soaps and will also benefit from sealing.
Clean the granite counter well before resealing.
You should seal your granite or marble countertops once every year.