Why Does Granite Stain

Why does it happen.

Why does granite stain.

Granite is one of the most durable and beautiful natural stones that you will find. And kashmir white is one of the most porous granites of them all. Granite counters are resistant to stains. But granite can stain if you leave spills on the surface for too long especially if your seal is not.

Generally any liquid spilled on a granite top if wiped up within a few minutes will not stain. The porous surface of stone allows water to cling to it and absorb darkening the appearance. Water stains are one of the most common sources of stains on granite countertops and they generally occur in two forms. Food and beverage spills especially that of greasy foods and cooking oils can stain a granite surface over time.

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. Yes technically granite can stain but it s not very common. This is one of the more frequent questions we hear from first time granite buyers. Technically all natural stones are porous.

Even a completely sealed granite countertop can stain if a spill is left to sit for long enough. The vinegar has done this to your granite. Your sealant is not at fault. Some stones like granite are less.

However even water can soak into a granite countertop and leave a dark colored spot but this will evaporate in minutes. Start by determining the source of the stain. Granite countertops stain easily. It should be a simple question but there is a lot of misinformation floating around on the internet.

There is no sealant that can withstand repeated cleanings with vinegar. There are so many cleaners out there for granite or just use water and a dobie sponge. 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. And of course more lightly colored granite is more likely to show stains than darker colors so if you have a white or other pale colored granite countertop it s important to be extra vigilant.

Why did you use vinegar to clean your granite. All granite species are porous and their porosity varies from granite species to species. Most people think granite will never stain they are wrong. Many cases of granite discolorations are simple stains that are easy to remove.

In fact applying a sealer to dense stones which tend to be the darker granite colors like uba tuba granite black galaxy absolute black or blue pearl granite may only result in a hazy build up of sealer residue and a dull surface without any appreciable benefit or stain protection.