How to Remove Copper Stains from Toilet Bowls

Quck answer

Copper stains in toilet bowls can be cleaned using a few simple steps:

1. Start by emptying the toilet bowl of any water.

2. Mix equal parts of vinegar and baking soda to create a paste.

3. Apply the paste to the copper stains and let it sit for at least 30 minutes.

4. Scrub the stains using a toilet brush or a scrubbing pad.

5. Rinse the toilet bowl thoroughly with water.

6. If the stains persist, repeat the process or try using a commercial copper cleaner.

7. Regular cleaning and maintenance can prevent copper stains from returning.

Remember to always wear gloves and follow the instructions on any cleaning products used.


If you observe the presence of blue-green stains on the inner surface of your toilet bowl, chances are they are copper stains. There are specific commercial bathroom cleaners available that are designed to eliminate copper stains from inside a toilet bowl. Alternatively, you can create a homemade copper stain cleaner using two common household items.

Copper Stains Above the Water Line

Step 1

In a bowl, combine one cup of white distilled vinegar with one cup of table salt. Stir the two ingredients using a spoon or any similar object.

Step 2

Put on a pair of bathroom cleaning gloves.

Step 3

Dip a sponge into the cleaning solution prepared in Step 1.

Step 4

Using the damp sponge, wipe off the copper stains. Re-dip the sponge into the cleaning solution whenever necessary while removing the stains.

Step 5

Flush the toilet and inspect the area. If any stains are still visible, repeat the process starting from Step 3.

Copper Stains Under the Water Line

Step 1

Pour two or three cups of white distilled vinegar into the toilet bowl, along with an equal amount of table salt.

Step 2

Allow the solution to soak in the toilet for approximately thirty minutes.

Step 3

Put on a pair of bathroom cleaning gloves.

Step 4

Using a sponge, wipe off the copper stains.

Step 5

Flush the toilet and check the bowl. If any copper stains are still present below the water line, repeat the entire process.

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