A bleach stain on a black granite countertop is unsightly and has more than likely removed the top protective coating over the natural stone.
Bleach granite stain.
Determine the source of the rust it may be coming from a utensil or dishwashing rack or something similar which then leaches into the surface of the granite to cause a stain.
Bleach can be used to lift stains sometimes staining can occur especially if your granite counters have not been sealed well or often enough.
The care card suggested pouring bleach right over the stain and letting it sit overnight with some plastic wrap over it to keep the granite moist.
It was effective with removing stains on.
Homemade granite cleaner 1 4 cup of rubbing alcohol or cheap vodka 3 drops of dawn or other dish soap castile soap would also be a good alternative if you prefer water 5 10 drops essential oil optional to help mask the alcohol smell.
And we didn t even have to wait til the next morning.
All you ll need is a rag lukewarm water.
If it s an oil based stain soap and water will typically work.
Bleach can be used to clean granite but if the corrosive liquid is allowed to sit too long on the material it can eat through the protective layer of sealant.
Untreated flour molding plaster chalk baby powder etc.
Then flood the area with water and buff dry using a soft clean cloth.
Oil based stains caused by oils grease cosmetics and milk will darken the granite countertop.
I perform an actual test on three slabs of granite and quartz using soft scrub with bleach to remove several stains.
If you have a stubborn organic stain such as coffee oil or berries you can often lift the stain by using liquid laundry bleach.
Commercial poultices are also available.
What causes rust stains on granite.
We didn t have any plastic wrap but we did have those big plastic freezer bags which seemed to work just as well.
What causes green stains on granite.
Apply household detergent mineral spirits acetone ammonia or bleach to the stain and clean gently.
Put the rubbing alcohol or vodka into a 16 oz spray bottle.
In order to remove the stain the oil must be chemically dissolved.
If you notice water spots on your granite countertop most of the time you can buff them out with super fine steel wool 0000 grit is best to avoid scratching.
You won t need to buy special bleach or anything like that.