However if the stain has become an etch it was caused by an acidic liquid not water.
Water stain on granite countertop.
Once this happens apply the solution to the stain.
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.
The other type of water stain which is more difficult to treat is caused by hard water that leaves a mineral deposit behind.
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.
This creates a white filmy residue on your countertop that can seem impossible to remove but there is a way to do it.
However one issue people can have with their granite countertops is water staining.
If your water has a high mineral content it can leave a hard water stain on your granite especially around a leaky faucet.
Water stains are one of the most common sources of stains on granite countertops and they generally occur in two forms.
Removing water stains from granite typically involves the use of a poultice.
This happens when water pools or drips onto a granite counter and is left there to dry.
If it is in fact water and not an acidic liquid like wine it will dry and evaporate.
Mix these ingredients in a bowl until it forms a thick paste.
Because of this hard water stains are more difficult to treat than regular water stains as they leave behind a mineral deposit.
Hard water stains are the result of hard water buildup on your granite countertop.
Hard water is water that has a high mineral content.
Using baking soda or a granite cleaner poultice spread a thick layer around the hard water stain.