How To Clean A Granite Sink | 3 Best Methods

Wondering how to clean a granite sink?

If you have a Granite sink in your kitchen or bathroom, you should know how to clean and maintain a granite sink properly.

It’s no secret; Granite sinks are a favorite choice among most buyers today. For natural strength, natural durability, natural beauty at an unnaturally low prices Granite sinks have grown in popularity. This classic look sinks are not only functional but also extremely practical.

Unfortunately, granite sinks need special treatment to keep them kook sparkling and hygienic.

So, what are the regular maintenance of a granite sink, how to remove hard water stain, how to tackle tough stain?

Here is a short tutorial that will help you out.

​We’ve compiled best but simple methods used to clean and maintain a Granite sink. Learn and put them into practice to leave your granite sink fantastically clean.

Is Granite Sink Hard to Keep Clean?


This sink is easy to keep clean and looking like new. A sponge and a little dish soap are all it takes for a quick and easy clean- up.

Granite sink doesn’t leave spots, scratches, and watermarks like stainless steel sink might. Additionally, there is no possibility of black marks to continually be rubbing out as there may happen with porcelain sink.

Granite Composite Sink Problems

No matter, your black granite sink is pure or composite, over time it may get undesirable cloudy appearance due to scale buildup.

Moreover, harmful bacteria may grow from the leftover of food preparation and washing.

Due to continuous daily uses with coffee or other liquids being poured in the granite sink, small deposits can start to build up that may create stains.

How to Clean a Granite Sink – 3 Simple Ways

For your easy understanding, we’ve divided our tutorial into three sections:

  1. Hard water stains removing
  2. Stubborn stains removing
  3. Regular maintenance

​1. How to Remove Hard Water Stain from Granite Sink?

Dark-colored or black granite sink may develop a white haze over the surface from hard water mineral deposits.

But, worry not.

​Luckily, it’s possible to remove hard water stain from granite sink in the following easy steps.

What You’ll Need

  • ​Non-abrasive scrubbing pad
  • ​Warm water
  • ​Mild dish soap
  • ​Microfiber towel
  • ​Olive- or mineral- oil

Step 1:​ Put on a pair of rubber gloves to protect your hands.

Step 2: Vacate your granite sink and clean of any food scraps or debris.

Step 3: Dampen the scrubber with warm water and apply 2 to 3 drops of mild liquid dish soap on it.

You can also apply mild solution of warm water and vinegar. Mix a cup of lukewarm water and a cup of white vinegar in a spray bottle. Spray your sink with it and allow it 10-15 minutes for the solution to work. By using a soft cloth rub away the loosened dirt.


Never use anything harsh like metal pads or steel wool as it’ll damage the beautiful finish of your granite sink.

Step 4: Rinse your sink thoroughly with hot water

Step 5: Over the spots or hard water stains, rub the scrubber. For more thorough cleaning, wipe the whole sink down with the scrubber

Step 6: Pour a little water over the soapy areas. Rinse all the soap residue thoroughly awaywith clean water. You can also use a dampened, clean sponge to do this.


Avoid harsh bleaches and cleaners such as chlorinated solvents or solutions that contain formic acid for cleaning your granite sink, as these may permanently discolor the sink and ruin its good appearance.

Step 7: Using a dry microfiber towel, or any soft towel or cloth, dry the sink thoroughly.

Step 8: Pour a few teaspoons of mineral oil or olive oil on a small section of a clean, dry cloth or rag. Rub this cloth thoroughly over the sink. Leave it about a minute to let it sit.

Step 9: Buff the excess oil away by using the dry section of the cloth. You may also use another rag to wipe the sink.

​2. How to Remove Stubborn Stains from Granite Sink?

What You’ll Need

  • ​Whiting powder
  • ​Hydrogen peroxide
  • ​Disposal container
  • ​Putty knife
  • ​Blunt scraping tool

Step 1: Put on a pair of rubber gloves to protect your hands.

Step 2: Make a thick paste of whiting powder and hydrogen peroxide in a disposable container like an old food storage container. Follow the instruction printed on the whiting powder packet to maintain the proper amount to make the right consistency of paste.

Some common Whiting powders are:

  • Talc
  • White molding plaster
  • Powdered chalk

Step 3: By using an old plastic or wood spatula or putty knife, apply the paste over the stained area of your granite sink. Note that the layer of the paste over the stain should be about 1/2” or 1.25 cm thick.

Step 4: With a plastic wrap cover the pasted area to absorb and lift the stain thoroughly.

Step 5: Leave the paste for a minimum of 24 hours to dry it thoroughly. But it may take more time based on the directions outlined on the whiting powder product packet.

Step 6: Take a scraping tool. Make sure that the scrapping tool is very blunt. Remove the dried paste carefully with it and wipe away from them. You may also use a paper towel or a soft sponge to remove the dry paste.


 Don’t attempt to wash all the paste down the drain of the sink, as it may clog the pipes.

Step 7: Rinse the sink completely with clean water.

Step 8: Repeat step 5 and 6 as necessary.

Step 9: Wipe it dry

​3. How to Maintain a Clean Granite Sinks?

Step 1: Scrub your sink in circular motions using a nylon brush and gentle soap such as dishwashing soap

You may use Mr. Clean Magic Eraser for quick cleanup.

Step 2: Thoroughly wash away any soap residue.

Step 3: Wipe it with a soft cloth after use, or at least once a day.

Granite Composite Sink Care And Maintenance- Everyday Tips

These are some tips that will help you to maintain a clean granite sink always

The most important maintenance to do after you get the sink clean is to wipe it dry each time after you use it

  • ​Try to rinse and dry your sink thoroughly after each time after you use it. In fact, it’s the most important maintenance to do regularly. It’ll help you to prevent food and other debris from hardening onto the sink surface. It’ll also protect your sink from the stain of mineral that exists in tap water.
  • Always keep a soft cloth or microfiber towel near the sink. It’ll help you to wipe it down after each uses easily.
  • Clean any stain (especially alcohol and citrus stain) immediately. It’s more effective to blot at a fresh stain so that it can’t spread to a larger area.
  • Always keep the sink dry when not in use. Never let water stand in the sink for a prolonged period.

How to Remove Rust Stain from Granite Sink?

To remove rust stain from granite sink, we recommend cleaning agent that contains oxalic acid such as Bar Keepers Friend. Always make sure you thoroughly rinse away the cleaning agent you applied on the sink once you’ve finished.

What Chemical to Avoid

  • ​Strong alkaline agents such as caustic soda solution and ammonia.
  • ​Drain unblocking chemicals or drain cleaners that involve filling the sink with water.

These substances are so aggressive that they even attack granite surface and damage.

How to Remove Metal Abrasion?

Although granite sinks are extremely hard, using metal pots may cause abrasion.

No worry.

Removing of metal abrasion is simple.

  1. Put a bit detergent on the rough side of a dampened sponge.
  2. Rub the sink surface in circular motions with this rough side of the sponge. It’ll help to remove the streaks.
  3. ​Rinse yoursink completely with clean water.
  4. With a microfiber cloth, dry the surface.

How to Clean Your White Granite Sink?

What You’ll Need

  • ​Hot, soapy water
  • ​Non-abrasive, soft cloth
  • ​50/50 solution of vinegar and warm water

Step 1: Spray the vinegar and warm water mixture on the surface of the sink.

Step 2: Let it 10 to 15 minutes to work on

Step 3: using a soft cloth wipe the surface.

​If your white granite sink has stain, apply the 50/50 solution on it and rub it using a nylon brush.

Step 4: Rinse and dry the surface as soon as the stain is gone.

That’s about it.

What Is A Granite Sink?

When it comes to making a smart investment, whether in a kitchen sink or bathroom sink, granite sink is a top selection for their soft beauty and superior strength.

Two types of granite sinks are available:

  • Natural granite sink
  • Granite composite sink

Pure natural granite sinks are rare. They are also very expensive.

Granite composite sinks are constructed of a blend of granite stone (80%) and acrylic resins(20%). Most granite sinks marketed is actually quartz composite or granite composite.

So, in general, sinks referred to as “Granite sinks” are composite granite sink rather than pure or natural.

Granite composite sinks are available in dozens of sizes, shapes, colors, configurations, and matte finishes.

  • ​Granite under-mount sink- best for a cleaner, seamless appearance
  • ​Apron-front or drop-in granite sink- best for them who prefer displays more of the sink material
  • ​Granite bar sink- best to add beauty and flair to any bar or prep area
  • ​Single bowl granite sinks- best for a baker or avid cook
  • ​Double bowl granite sink- best for those who prefer separate dishwashing and prep areas

Granite vs. Composite Sinks

Natural Granite Sink

  • ​Comes with unique design in every piece
  • ​Stain and scratch resistant if properly sealed
  • ​Heat resistant
  • ​More expensive than composite granite sink
  • ​Very heavy, requires extra support system for installation
  • ​More prone to chipping
  • ​Requires annual sealing and proper care

​Granite composite sink

  • ​Comes with countless design options
  • ​Scratch, acid, stains, chipping and water spots resistant
  • ​Heat resistant
  • ​Less expensive than natural granite sink
  • ​Heavy, requires extra support system for installation
  • ​Requires simple routine maintenance

FAQ’s About Granite sink Cleaning and Maintenance

How important is it to reseal granite sink?

To preserve the shine of granite sink, you should reseal it regularly.

How often do I need to reseal my granite sink?

In general, a Granite sink needs to reseal every two years. However, manufacturer’s recommendation may vary. So, follow the manufacturer’s direction regarding how often should you reseal your sink.

I’m not sure about what particular cleaning method will be effective and safe for my granite sink. So, what can I do?

Well, it’s wise to contact the manufacturers of your sink brand. They will be helpful to provide you with recommendations on safe cleaning method for your granite sink.

What method can I follow to restore shine to my dull granite sink?

Take a nylon scouring pad. Give you granite sink a good scrubbing with a bit of baking soda. Let it dry completely for at least 1-hour. Then, apply a thin coat of sealer. Otherwise, you can purchase a commercial cleaning solution intended for ha natural stone. Apply the solution as instructed on the packaging.

Is there any way to remove blood mark from my granite sink?

You should use antiseptic disinfectant liquid to clean the blood mark. It’ll help protect against infection.

How does white haze cause on Granite sink?

If you leave your sink wet after every use, water evaporates leaving behind minerals. The minerals (lime and calcium) make bonding to the sink surface. It’ll progressively buildup and cause white haze to occur.


Your granite sink is now stain-free and shining!

Thanks to all for reading our article on how to clean Granite sink.

Hope this cleaning regiment has helped you to keep your granite sink clean and look new for years to come!

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