Skip to Content

How to Clean Porcelain Sink Scratches

How to Clean Porcelain Sink Scratches

Porcelain sinks are so presentable in your bathroom and kitchen. These sinks have a shiny appearance, making them look great in your house. However, maintaining them to remain spotless is very tricky. With time the sinks accumulate minerals and become dull with scratches. 

If you’re wondering how to clean the scratches, worry not. Below is a guide on cleaning the porcelain scratches in your sink. You can clean the sink using a sponge, fine grit pumice, and a repair kit. However, it’s best to start with the least abrasive material as you clean. We hope this guide helps you eliminate metal scratches on the porcelain sink.

How Do You Get Scratches Out of a Porcelain Sink?

It’s very easy to remove scratches from a porcelain sink. You can use cleaning agents such as  baking soda, abrasive cleanser, pumice, and others as follows; 

  • First, wash the sink with liquid dish soap. Use a soft sponge or rag while cleaning to avoid adding more scratches. Clean gently in circular motions, then rinse to remove excess soap with a clean towel. Ensure you use hot water to rinse the sink to clear all the dirt and particles.
  • Apply some baking soda to remove mild scratches. Polish the sink with a wet rag for 3 minutes. Rinse the sink with clean water and check the progress. Again, you can combine some ammonia or lemon juice with the baking powder for a powerful stain-removing product. Kindly avoid using bleach, especially on colored sinks; it will react.
  • Spray some bleach on the sink, then cover it with paper towels. It will help eliminate any stubborn stains. You may still consider using a non-abrasive cleaner such as borax; it’s helpful too.
  • Use Bar Keepers Friend product for scratches and tough stains. It contains an oxalic component that helps clear stains and scratches. Apply a small amount to the scratches and scrub the surface with a sponge for a few minutes. Rinse the sink thoroughly.
  • For deep marks, use fine-grit pumice. You should soak the pumice in water for easy scrubbing on the sink surface. After rinsing your sink with clean water, check if there are any marks left.
  • Finally, a porcelain repair kit is the last option for deep scratches. Smear a thin layer of the glaze on the sink with a brush. Let the product sit for a while and set. You may need to apply other layers if needed and allow them to settle. Sand smooth with the fine grit cloth provided, rinse and buff the sink lightly with a cloth.

How to Get Grey Scratches Out of a Porcelain Sink

There are easy methods to get rid of grey scratches on the porcelain sink. You can use baking and a no scrub method to restore the beautiful shine of your sink. 

Baking Soda Method

  • Rinse the sink first with hot water. Then, use a wet sponge to clean the sink and remove the dirt. 
  • Sprinkle baking soda on the grey marks and cover them completely. Later use the sponge to scrub the marks until you remove them. 
  • After all the scratches are out, rinse the sink with hot water, then clean it with mild soap. 
  • Finally, rinse it to remove the soap residue. 

No Scrub Method 

  • Spray the sink lightly with water to get wet.
  • Dust some baking powder on the sink, then cover it with paper towels.
  • After, spray the paper towel with peroxide. Let it sit for a few hours.
  • Eliminate the paper towels and rinse the sink thoroughly; your sink should be clear and white. 

How Do You Get Black Scratches Out of a White Porcelain Sink?

We have various methods that you can use to eliminate the black marks from your porcelain sink. Some methods are best for mild scratches, while others are suitable for deep scratches. 

Bar Keepers Friend

Bar Keepers Friend is best for small scratches, especially the powder version. Sprinkle the product over a wet sink, and ensure you cover the black scratches with a generous amount of powder. Later use a sponge to scrub in a circular motion with more attention to the black scuff marks. Rinse the sink thoroughly.

Borax and Lemon Juice 

Borax is helpful in many ways in the house and comes in handy in removing black scratches.  Prepare a mixture of borax and lemon with one cup of borax and ¼ cup of lemon juice.  Apply the paste to a wet sink. Use a damp sponge to scrub the black marks until they are no more. Rinse your sink with running water. 

Baking Soda and Hydrogen Peroxide 

Baking soda is a readily available product at home to help you clear mild scratches. First, Sprinkle baking powder on a wet sink or a wet sponge, then scrub the sink. Next, pour some hydrogen peroxide into a sponge and rub it over the sink. Wait for some 15-20 minutes, then rinse it.


This product is suitable for white porcelain sinks. First, cover the sink with paper towels, then spray bleach over the paper towels. Let the papers sit for half an hour. Remove the paper towels and then rinse the sink; the bleach will have cleared all the black marks. 

Check this too: How to Clean a Toilet With Pumice Stone

How to Repair Deep Scratches in Porcelain Sink?

To repair deep scratches in the porcelain sink, you need the following;

  • Clean the sink to remove any dirt, grime, and residue. Use water, an all-purpose cleaner, and a sponge.
  • Sand the scratched areas and then apply a repair compound. 
  • Later apply porcelain touch-up paint. 
  • If repairing and they fail, it’s best to replace the sink. 

How to Prevent Your Porcelain Sink from Scratch Damages

The best ways to avoid scratches in your sinks are through the following;

  • Consider purchasing a rubber mat to cover the sink’s bottom. This mat will protect your sink from pots, pans, and other dishware scratches. 
  • Use non-abrasive sponges and cleaners in your routine cleaning. Also, use dishwashing liquid, especially on repaired sinks, since it’s gentle or any best porcelain cleaner.
  • Avoid cleaning your porcelain sink with vinegar as it’s highly acidic, and this cause reaction in your sink and damage it. 
  • Rinse your sink with clear water to eliminate particles that may cause scratches after every use.
  • Apply some car wax on a sponge and rub it gently on the sink; it will help prevent scratches after cleaning the sink.
  • Apply lemon oil to the sink to give it its glow and prevent stains from sticking. You will have an easy time cleaning the sink and enjoying the fresh smell of this oil.


The above methods are the best you can use to remove scratches from your porcelain sinks. Scratches appear while cleaning dishware on the sink or leaving particles if you fail to rinse well. Scratches make your porcelain sink lose its shiny appearance and become stained just like a stainless steel one. From the saying, prevention is better than cure; it’s best if you protect your sink from damage and save yourself the hassle of repair.