If time to absorption is over 20 minutes.
Water rings on new granite.
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.
Granite doesn t etch easy but dried sealer on granite countertops will often etch.
You can see below my hard water stains.
Now use this chart to determine how often if at all you need to seal your granite countertop.
The porous surface of stone allows water to cling to it and absorb darkening the appearance.
This is a solution that can be created by a mixture of baking soda and 3 percent hydrogen peroxide.
The water spots are likely etch marks in the granite sealer left on the surface.
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.
After applying the first coat of sealer test again noting the improvement increase in time to absorption.
It isn t stained rather the minerals that are in the water have built up.
Scrub with a plastic scrubber re apply 2 3 times until all salts are gone.
For really stubborn stains try using a poultice or extractor.
You shouldn t have to scrub hard.
However one issue people can have with their granite countertops is water staining.
The granite wasn t even shiny because of the stains coating it.
You can t harm the granite.
Even if your granite seems extremely smooth to the touch it is a natural substance and on a microscopic level it is uneven and full of holes.
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.
Water stains are one of the most common sources of stains on granite countertops and they generally occur in two forms.
Start rubbing at the water stain on the granite.
Just test first before you dump a bunch on your 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.
Pour a bit of water on the counter.
Perform the water test for sealing granite countertops before applying a sealer to establish a baseline for the original time to absorption.
1 4 cup should be enough.
This vinegar treatment also works to remove deposits from room sized humidifiers with a few applications your granite will look new again.
Removing water stains from granite typically involves the use of a poultice.
Once this happens apply the solution to the stain.
Once the sealer is stripped off the surface your water marks should be gone and the surface back to normal.