When the surface spill of water is wiped away the stone appears darker where the water was standing.
Water rings on black granite.
Hard water deposits are another possibility.
Bleaching or etching from a caustic soap.
When hard water sits on a granite surface and dries it leaves a visible mineral deposit that often creates white rings especially around faucets.
Removing water stains from granite typically involves the use of a poultice.
It is advisable to follow the instruction manual of your granite for better cleaning but if you do not have it or you do not remember where you kept it then follow these easy cleaning tips.
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 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.
You shouldn t have to scrub hard.
Mix these ingredients in a bowl until it forms a thick paste.
What you are seeing is the water trapped inside the granite filling up these holes.
Removing stains from granite.
For really stubborn stains try using a poultice or extractor.
Once this happens apply the solution to the stain.
However one issue people can have with their granite countertops is water staining.
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.
You may have noticed a few times water stains or ring marks on your granite slab that are sometime hard to remove.
The second type of water stain is caused by hard water that is water with a high mineral content that sits on the counter dries and leaves a deposit often resulting in bothersome circles that build up around the faucets.
However if water darkens on the surface then this is the time to re seal after removing the entire stain.
So the glass rings are caused by one of three things.
This is a solution that can be created by a mixture of baking soda and 3 percent hydrogen peroxide.
Soap film on the surface.
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.
If you find your beautiful granite marred by either one of these types of stains don t worry.
Just about 20 seconds of light rubbing and then wash and wipe up the bar keepers powder.
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 may be a stretch since the problem didn t exist until recently however it may be that something has changed with your water supply resulting in a higher mineral content.
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.
Once you have tested your granite then apply a small amount of bar keepers friend to a microfiber cloth.
Poultice are extremely absorbent substances.
Start rubbing at the water stain on the granite.
