When hard water sits on a granite surface and dries it leaves a visible mineral deposit that often creates white rings especially around faucets.
What causes white stain on granite.
A thorough cleaning with mild detergent followed by a light coat of olive or mineral oil.
These stains can be removed be gently cleaning the granite with one of the following products.
Make sure to only add a small amount of rubbing alcohol as too much may damage your granite.
A change in the natural chemical makeup of the stone.
Not caused by the stone absorbing an agent but rather caused by damage to the surface.
What should you stay away from using.
The minerals in hard water cause a different kind of stain on granite.
If you have a light water stain that is caused by condensation you can often remove it using a mixture of mild dish soap warm water and a small amount of rubbing alcohol.
Start by determining the source of the stain.
Hair dyes colored toiletries paint and stain pigments the colorants contained in chemicals when spilled on granite will seep into the granite s pores and discolor the surface.
Black or dark colored granite can develop a white haze over the surface from hard water mineral deposits.
Soft liquid cleanser with bleach household detergent ammonia mineral spirits or acetone.
Even a completely sealed granite countertop can stain if a spill is left to sit for long enough.
Some examples of things that might cause these stains are toilet bowl cleaner or spilled white vinegar.
Many cases of granite discolorations are simple stains that are easy to remove.
The porous granite soaks colors and dyes often resulting in stains after lots of use or exposure to some fluids or objects such as oil based cosmetics food colored drinks and metal objects.
Food and beverage spills especially that of greasy foods and cooking oils can stain a granite surface over time.