What Causes Blue Green Stain On Granite

The exact cause is not identified and occurrence is unpredictable however it is thought to result from a chemical reaction involving certain elements within the stone and activators or accelerants used along with the adhesive for gluing the slab to cabinets or used within seams.

What causes blue green stain on granite.

What causes blooming is the chemical ch glue chip repair kit that is used to repair natural stone. Blooming is common in light color granites. Food and beverage spills especially that of greasy foods and cooking oils can stain a granite surface over time. Blue or green staining occurs exclusively with copper pipe and fittings including brass which is copper plus.

Zinc and is caused by the corrosion and dissolution of the metal itself. When water seeps into your granite countertop it leaves a dark spot that evaporates in a few minutes and returns to normal. If you re not certain what caused the stain consider its size shape and location to give you clues. Metal stains will appear if you have left out metal containers on your granite countertop and rusting occurs.

Here are the steps. All granite species are porous and their porosity varies from granite species to species. What is the cause of green bloom. Well certainly other things could cause a stain however this type of green stain in marble or granite countertops specifically occurs at the time of install and does result from use of certain types of glues and curing accelerators.

But substances like cooking oils that don t evaporate can cause permanent stains if they re allowed to soak into the stone. What causes blooming is the chemical ch glue chip repair kit that is used to repair natural stone. These stains appear reddish brown in color sometimes they might be green as well. The accelerator of this chemical reacts with the stone causing the area to turn green.

It is common that these green discolorations appear on the stone within a few weeks after the installation. Water quality and even improper electrical grounding hasten corrosion adding excessive amounts of dissolved copper to the water coming out of fixtures. The accelerator of this chemical reacts with the stone causing the area to turn green. In rare cases stains can arise on the surface of newly installed granite marble countertops.

Metal stains will require the same poultice method that we used in the removal of organic stains. 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. Blooming is common in light color granites. It is common that these green discolorations appear on the stone within a few weeks after the installation.