Once this happens apply the solution to the stain.
Water rings on granite.
What you are seeing is the water trapped inside the granite filling up these holes.
The first and easiest to clean is a simple water stain that forms around the bottom of a glass or other container that sits on the countertop for too long or water droplets that do not evaporate quickly.
Water rings on granite are particularly common as water on a cooler glass will form condensation and result in a circle of moisture on the counter.
For really stubborn stains try using a poultice or extractor.
When water or another liquid is left on top of the granite small amounts of it seep into the stone through its many pores.
Water stains are one of the most common sources of stains on granite countertops and they generally occur in two forms.
However one issue people can have with their granite countertops is water staining.
When the surface spill of water is wiped away the stone appears darker where the water was standing.
If granite has a stain it means a substance is absorbed into the pores of granite and will require a poultice like the ones offered by stone care international to remove it.
For this kind of stain use a specially formulated granite cleaning product like granite gold daily cleaner and scrub with a soft bristled brush then rinse and dry with a soft cloth.
Poultice products made especially for granite can be purchased at a hardware or stone surface specialty store or you can make your own paste using flour plus hydrogen peroxide.
This is a solution that can be created by a mixture of baking soda and 3 percent hydrogen peroxide.
Mix these ingredients in a bowl until it forms a thick paste.
If sealing is supposed to be included in the job then i d ask him what the charge for sealing is and deduct that from the total for final payment.
When hard water sits on a granite surface and dries it leaves a visible mineral deposit that often creates white rings especially around faucets.
You shouldn t have to scrub hard.
Start rubbing at the water stain on the granite.
The granite wasn t even shiny because of the stains coating it.
Once you have tested your granite then apply a small amount of bar keepers friend to a microfiber cloth.
You can also use a single edge razor blade to gently scrape away the residue or a safe on stone pad to scrub the area softly before rinsing and drying.
For those tenacious water rings around a faucet resulting from hard water that sits on the surface try scrubbing softly with a brillo pad or gently scraping with a razor blade then wiping away the residue with a soft damp cloth.
You may have noticed a few times water stains or ring marks on your granite slab that are sometime hard to remove.
The fact that the water is staining if under 10 minutes is the exact indicator that no granite sealer has been applied or applied very poorly and the countertop needs sealing.
However if water darkens on the surface then this is the time to re seal after removing the entire stain.
When granite is properly sealed then it becomes resistant to stains but still you need to avoid the spillage on its surface.
Poultice are extremely absorbent substances.
You can see below my hard water stains.
Just test first before you dump a bunch on your granite.