Scrub with a plastic scrubber re apply 2 3 times until all salts are gone.
Water rings on new granite.
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.
After applying the first coat of sealer test again noting the improvement increase in time to absorption.
The porous surface of stone allows water to cling to it and absorb darkening the appearance.
Once the sealer is stripped off the surface your water marks should be gone and the surface back to normal.
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.
It isn t stained rather the minerals that are in the water have built up.
This vinegar treatment also works to remove deposits from room sized humidifiers with a few applications your granite will look new again.
Mix these ingredients in a bowl until it forms a thick paste.
Start rubbing at the water stain on the granite.
You can t harm the granite.
Now use this chart to determine how often if at all you need to seal your granite countertop.
You shouldn t have to scrub hard.
If time to absorption is over 20 minutes.
The granite wasn t even shiny because of the stains coating it.
Just test first before you dump a bunch on your granite.
Pour a bit of water on the counter.
Once this happens apply the solution to the stain.
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.
Granite doesn t etch easy but dried sealer on granite countertops will often etch.
Note the time that you placed the water on the counter and time the water to see how long it takes to absorb the granite will darken.
Removing water stains from granite typically involves the use of a poultice.
However one issue people can have with their granite countertops is water staining.
Once you have tested your granite then apply a small amount of bar keepers friend to a microfiber cloth.
You can see below my hard water stains.
This is a solution that can be created by a mixture of baking soda and 3 percent hydrogen peroxide.
1 4 cup should be enough.
Perform the water test for sealing granite countertops before applying a sealer to establish a baseline for the original time to absorption.
For really stubborn stains try using a poultice or extractor.
This happens when water pools or drips onto a granite counter and is left there to dry.