Hard water stains often appear near sink drains, shower drains and in toilets. These stains are caused by a variety of minerals contained in the water supply. Over time these minerals build up on surfaces and create ugly looking stains. Manganese is one mineral that will create black, ring-like stains in a toilet. Removing the manganese stains takes a little bit of work and cleaning solutions that you must apply to the toilet bowl.
Cream of Tartar Paste
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Step 1
Pour 1 cup of cream of tartar into a bowl, and add 1/4 cup of hydrogen peroxide. Mix the solution thoroughly until it forms a thick paste.
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Step 2
Apply the paste to the manganese stains in the toilet by rubbing it on the stains with a toilet brush. Apply the paste as thick as possible to the stains.
Step 3
Allow the paste to sit for approximately 15 minutes, and use the toilet brush to scrub the manganese stains.
Step 4
Flush the toilet to rinse away the paste and to reveal a stain-free toilet bowl.
Baking Soda and White Vinegar
Step 1
Fill a bowl with 1 cup of baking soda and pour in 1/4 cup of white vinegar to create a mix. Pour in the vinegar slowly as the mixture will foam up quickly.
Step 2
Apply the paste mixture to the stains in the toilet using a sponge or toilet brush.
Step 3
Allow the paste to sit on the stain for 15 minutes, and flush the toilet to rinse away the paste.
Trisodium Phosphate and Water
Step 1
Fill a bucket with 1 gallon of water, and add 2 to 4 tbsps. of trisodium phosphate, which is available at home improvement stores in both powdered and liquid forms.
Step 2
Pour the entire mixture into the toilet bowl, and allow it to sit for 15 minutes or until the stain is removed.
Step 3
Flush the toilet to remove the trisodium phosphate from the toilet bowl.