What Causes White Stain On Granite

Black or dark colored granite can develop a white haze over the surface from hard water mineral deposits.

What causes white stain on granite.

The minerals in hard water cause a different kind of stain on granite. 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. Many cases of granite discolorations are simple stains that are easy to remove. Food and beverage spills especially that of greasy foods and cooking oils can stain a granite surface over time.

A change in the natural chemical makeup of the stone. Stains from grease cooking oil and other oil based products cause the granite to darken. When hard water sits on a granite surface and dries it leaves a visible mineral deposit that often creates white rings especially around faucets. Soft liquid cleanser with bleach household detergent ammonia mineral spirits or acetone.

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. What should you stay away from using. 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. Make sure to only add a small amount of rubbing alcohol as too much may damage your granite.

Start by determining the source of the stain. A thorough cleaning with mild detergent followed by a light coat of olive or mineral oil. Not caused by the stone absorbing an agent but rather caused by damage to the surface. Some examples of things that might cause these stains are toilet bowl cleaner or spilled white vinegar.

Corrosion typically caused by acids leaving rings or water spots that cannot be removed.