The vinegar has done this to your granite.
Why does granite stain.
Water stains are one of the most common sources of stains on granite countertops and they generally occur in two forms.
Granite is one of the most durable and beautiful natural stones that you will find.
All granite species are porous and their porosity varies from granite species to species.
Yes technically granite can stain but it s not very common.
Most people think granite will never stain they are wrong.
There is no sealant that can withstand repeated cleanings with vinegar.
The porous surface of stone allows water to cling to it and absorb darkening the appearance.
There are so many cleaners out there for granite or just use water and a dobie sponge.
Food and beverage spills especially that of greasy foods and cooking oils can stain a granite surface over time.
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.
It should be a simple question but there is a lot of misinformation floating around on the internet.
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.
In general granite resists stains better than many other countertop options.
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.
Granite counters are resistant to stains.
Some stones like granite are less.
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.
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.
And kashmir white is one of the most porous granites of them all.
However because it is porous like most natural stones granite can stain.
Even a completely sealed granite countertop can stain if a spill is left to sit for long enough.
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.
Start by determining the source of the stain.
Why did you use vinegar to clean your granite.
Why does it happen.
Technically all natural stones are porous.
Your sealant is not at fault.
However even water can soak into a granite countertop and leave a dark colored spot but this will evaporate in minutes.