How To Clean Limescale Under Toilet Rim

Date Published: August 1, 2021
Author: Kylee Smith

Hard, chalky limescale buildup under the toilet rim is unsightly. Limescale is insoluble calcium bicarbonate. People living in hard water areas have a more difficult time preventing limescale buildup on toilet rims and other plumbing fixtures. Thankfully, there are numerous products and techniques that you can use to remove the buildup in a few easy steps.

Toilet Seat Cleaning Supplies

There are a few different cleaning agents for you to choose from. Each of them works well, but they all have their pros and cons. Only a few other supplies are necessary to rid your toilet seat of that limescale buildup. You will have your toilet sparkling in just three easy steps.

Bleach

Bleach is great for removing limescale buildup on the toilet rim. Bleach is a wonderful disinfect, and it is a wonderful cleaning agent for all of your other bathroom fixtures.

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White Vinegar

White vinegar is a natural cleaning solution that can help remove buildup and leave your toilet sparkling clean. If you decide to use vinegar, you will mix one part vinegar to one part water in an empty spray bottle.

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Rubber Gloves

Rubber gloves are only necessary if you choose to work with bleach. Bleach can be rough on your skin and lead to dry, cracked skin. The rubber gloves protect against this damage to your skin.  

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Lemon Juice

Lemon juice is another natural alternative cleaning solution. If you decide to incorporate lemon juice into your toilet cleaning strategy, you will use it instead of water to combine with the white vinegar for your solution.

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Spray Bottle

An empty spray bottle is required to hold your cleaning solution of choice. When choosing a spray bottle opt for one with multiple spray settings. Additionally, if you can find a spray bottle with measurement lines, it can help you properly mix your cleaning solutions.

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Pumice Stone

A pumice stone may be used for scrubbing underneath a toilet rim; however, you must be careful not to scratch the porcelain surface. It is not recommended to use a pumice stone on a new toilet. If your toilet has a lot of buildup or the method described below does not work, a pumice stone may be needed.

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Toilet Brush

A toilet brush is going to be necessary to remove that limescale buildup. After allowing the cleaning solution to sit for about 30 minutes, you will use the toilet brush to eliminate that buildup.

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Scrub Brush

A scrub brush can also be used if you want to get a little more hands-on when cleaning the toilet rim. You might have to get down there with some sandpaper at the end anyway, but that toilet rim is going to be spotless.

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Sandpaper

Sandpaper is another helpful tool that can be used on stubborn spots and tough limescale builldup. Sandpaper is a last resort but a helpful resource if any limescale still stands after the initial soaking and scrubbing.

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How To Remove Limescale Under Toilet Rim

Disinfecting the toilet weekly can help to prevent limescale buildup between deep cleanings. The longer you wait to take on this type of task, the harder it is going to be to remove the hard deposits. Thankfully, this quick guide is designed to give you the tools and the know-how you need to properly clean a toilet. You can clean and remove the limescale buildup under your toilet rim in just a few steps.

Step One: Flush Toilet & Spray Down Rim

First, you need to flush the toilet before you start cleaning. After flushing, use the spray bottle filled with your chosen cleaning solution to spray underneath the rim.

Allow the solution to sit for at least 30 minutes. This gives the cleaning agent enough time to break down hard limescale buildup. You want to be able to remove most, if not all, of the buildup on the first try.

  • Pro Tip: There are commercial cleaning solutions in bottles with tilted necks that help with the application if you do not want to use an empty spray bottle.

Step Two: Scrub Toilet Rim Using Toilet Brush

The solution has been given ample time to soak the toilet rim, breaking down that hard limescale buildup. Using the toilet brush, start scrubbing underneath the rim. Put some elbow grease into it so that you get rid of those deposits.

  • Pro Tip: Get down and dirty with a scrub brush rather than toilet brush if you must so that all deposits are removed. If there are leftover deposits, you will need to use sandpaper.

Step Three: Flush Toilet & Check For Leftover Deposits

Once you are done scrubbing, flush the toilet and check for any leftover limescale deposits. If there is still any buildup present, use the sandpaper to scrub it away. After removing any excess limescale, you can flush the toilet once again. Remember to clean and disinfect your toilet weekly. You are done!

  • Pro Tip: Medium grit sandpaper is best, but you can use a pumice stone. It is never a good idea, however, to use a pumice stone on a new toilet.

Final Thoughts

Staying on top of cleaning and disinfecting your toilet will keep your toilet looking good; however, deep cleaning under the toilet rim is necessary from time to time. Limescale and buildup can quickly buildup in the area. The hard water deposits must be soaked and scrubbed from the toilet.

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