How to remove a dark spot on granite?

Author: Miss Kasandra Mosciski Sr.  |  Last update: Sunday, March 1, 2026

Whether they're caused by vegetable oil in the kitchen or synthetic oil in the bathroom, these stains can turn into dark spots rather quickly. To remove oil stains from granite, mix baking soda and acetone into a thick paste, enough to cover the entire oil stain, and leave it for 24 hours.

Why is there a dark spot on my granite countertop?

Granite, a naturally porous stone, can absorb liquids, which may darken its appearance. This is particularly true for unsealed or improperly sealed granite, where water or oils penetrate the surface and alter its color.

Are granite stains permanent?

However, if the granite is unsealed, the liquid may penetrate the stone's pores. Nevertheless, even when this occurs, the stain is not necessarily permanent. A topical paste can be applied to draw out the moisture and effectively remove the stain in most cases.

How to remove dark water spots on granite?

for any granite/marble stains try using baking soda, a dash of hydrogen peroxide, dawn dish soap & warm/hot water (making it into a paste), let it rest for 5-10 minutes and use a non scratch sponge or microfiber cloth to get it off. gentle tooth brush action if needed.

How to fix a dull spot on a granite countertop?

How Do I Polish a Granite Countertop?
  1. Clean countertops.
  2. Apply granite polish (or make your own with 3 cups of warm water and ¼ cup baking soda)
  3. Use a cloth to buff the countertops with the polish of your choice.
  4. Wipe clean.

How To Remove Hard Water Stains From Granite Countertops | Professional Results at Home

What does lemon juice do to granite?

Granite: Granite is considered one of the most durable countertops out there, but it is still susceptible to lemon juice damage because it has the mineral calcite. Lemon juice corrodes the calcite in the granite, leaving a white, splotchy stain where the lemon juice was.

Can imperfections in granite be fixed?

Some Imperfections Require Repairing

Fissures occur in granite naturally, so calling them "imperfections" could be viewed as a misnomer. Yet, whether you view them as imperfections or not, they often get "repaired" by strengthening the stone with a "filler".

Does baking soda remove stains from granite?

If stubborn stains persist after following the above techniques, try using baking soda to remove any remaining marks, says Sokolowski. Mix baking soda and water until a paste forms. Gently spread the paste over the stain. Let the paste sit overnight.

Can I use bar keepers friend on granite?

Let its non-bleach cleaning ingredients do the work. For difficult stains, apply Bar Keepers Friend liquid or make a paste with Bar Keepers Friend powder and let it remain on the surface but for no longer than one minute (don't let it dry, or risk discoloration!) Rub gently as needed, rinse thoroughly.

Can you use hydrogen peroxide on granite?

Yes, common household substances like hydrogen peroxide and diluted bleach can effectively clean granite countertops without causing damage, when used properly.

What is the best stain remover for granite?

As with many organic substances, you can remove most food stains from granite countertops with hydrogen peroxide (30-40%). For an extra cleaning boost, mix the hydrogen peroxide with baking soda to create a paste, as you would for stains from coffee, juice, and such. Mix baking soda and hydrogen peroxide.

How do you get brown stains out of granite?

Create a cleaning paste using baking soda and water. Then, scrub the granite with the paste. Finish the process by washing the area with water. Be sure to dry the countertop with paper towels.

What happens if you don't seal granite every year?

If left unsealed, granite countertops can become vulnerable to stains and damage over time. Granite, being a porous material, naturally absorbs liquids. Without proper sealing, liquids spilled in the kitchen, such as wine, oil, coffee, or food can seep into the pores, leaving behind stubborn stains.

Why does my granite leave water marks?

Simple water stains are often the result of condensation from a drinking glass that has been sitting on the countertop for too long. On the other hand, hard water stains are the result of hard water getting into the pores of the stone. Hard water is water that is particularly high in mineral content.

What is the black stuff in granite?

The small black specks in the granite above are likely small amphibole grains. This could be due to a lack of chemical components needed to form amphibole, or the cooling process was not amenable to formation of amphiboles.

What do professionals use to clean granite?

This may come as a surprise to many, but warm water and mild dish soap will thoroughly clean your granite countertops. It's simple, and maybe the most obvious choice, but it's extremely effective. When cleaning your countertops, harsh and abrasive cleaners such as acidic cleaners, vinegar, and bleach should be avoided.

Can you use Murphy's Oil soap on granite?

Daily granite countertop care is as easy as cleaning with a gentle cleanser like Murphy's Oil Soap or mild dishwashing liquid. If needed you can use a synthetic scrubbing pad to clean your granite counter. With the proper maintenance, granite countertops stay new-looking for a long time.

What should you not use bar keepers friend on?

Don't Use Bar Keepers Friend on Non-Recommended Surfaces
  • Marble and other natural stones: BKF original powder can scratch and damage the polished surface.
  • Non-stick cookware: The coating can be worn away, compromising its effectiveness and safety.
  • Gold or silver-plated items: It can strip away the plating.

What permanently stains granite?

Fizzy soft drinks such as cola are also acidic and contain strong colourings. Oils: spilt cooking oil from pots and pans can leave permanent stains which are difficult to remove. Some foods also contain oils, so remember to use chopping boards or mats for food preparation.

How to fix a discolored countertop?

Make a paste made of baking soda and warm water. Allow the paste to rest for 5 to 10 minutes, then scrub into the countertop stain very gently. Baking soda is abrasive, and hard or prolonged scrubbing may damage some materials. Rinse with warm water and a reusable cleaning cloth.

What happens if you clean granite with vinegar?

Vinegar is made up of acids that can severely harm your granite. Even if it is diluted, vinegar may still leave acids on your granite countertops. This can cause your natural stone countertops to etch. You can tell that your granite countertops have begun to etch by seeing a small ring or some sign of a watermark.

What is the best granite sealer?

Top 6 Granite Sealers
  • Best Multipurpose Sealer: Weiman Disinfectant Granite Daily Clean and Shine.
  • Best Penetrating Sealer: Aqua Mix Sealer's Choice Gold.
  • Best for Small Surfaces: TriNova Granite Sealer and Protector.
  • Best Instructions: Granite Gold Water-Based Sealer.

How to polish a dull spot on granite?

Use a granite polish that is designed to protect and enhance the natural beauty of the stone. Apply the polish with a soft cloth, and buff the surface until it shines. Remove Hard Water Stains: If your granite countertops have hard water stains, you can remove them using a mixture of water and vinegar.

Is it normal for granite to have rough spots?

Is a Rough Granite Countertop Surface Normal? If grit is present on your granite countertop, it is likely due to poor quality granite – an issue which cannot be solved readily without countertop replacement. In some instances, grout particles may flake off from newly grouted backsplash, although this is less common.

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