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Learn how to remove hard water stains from your toilet with this quick, easy method! Guaranteed to remove even the worst built-up hard water rings in less than 5 minutes – without scratching the porcelain! Watch the video below to see it in action. 

You can also check out how to remove hard water stains from glass shower doors.

Before Image of a Toilet with Hard Water Ring around the water line in the bowl, with a after cleaning picture next to it showing toilet bowl without hard water stain
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Hard water can be found all over bathroom surfaces, including showers, sinks, faucets, and, worst of all, the toilet. Unattractive and extremely frustrating, the last thing any one of us wants is to host a holiday party with a toilet that looks as if it hasn’t been cleaned for months.

You’ll find countless cleaning products available, and even more blogs and websites claiming that such-and-such a solution or product will rid your toilet of the dreaded ring; some even without using chemicals at all.

Most of these claims are false, I’m sorry. I know this from personal experience because I promise, before learning about this trick from my friend at The Home Depot, I had literally tried everything.

This trick works so well, in fact, that it will almost look like you went out and bought yourself a brand new toilet! But don’t take my word for it,

Reader Comment

I run an apartment complex, where unfortunately people don’t know how to clean their toilets, I thought I was going to have to replace the toilet, but I was able to clean the toilet and it looks brand new. This will save me tons of money, and time, it literally only took me two minutes to clean the hard water stains.

-Kali

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Hard water stained toilet

Difference Between Hard and Soft Water?

Hard water: that which contains an appreciable amount of dissolved minerals such as calcium and magnesium.

Soft water: that which contains less dissolved minerals. Or, when treated, the only ion it may contain is sodium. Naturally falling rainwater is soft water, for example.

How does water become hard? Water becomes harder as it moves through the ground and into our waterways. Along the way, this water picks up minerals such as calcium, magnesium, and lime.

Given that hard water contains essential (and super important) minerals, one may wonder why we soften our water when it’s hard. 

Hard water is tough on appliances (dishwashers and washing machines, for example) and is hard to clean. Making it less effective and using more energy due to the mineral buildup left behind.

Hard water stained toilet

Supplies Needed

Before I say anything else, I thought it important to mention that the toilet that you see pictured in these images is “clean”. This includes the before and the after images.

In other words, I cleaned the toilet with actual toilet bowl cleaner before removing the hard water ring.

Anyway, I Googled, “how to remove toilet bowl ring”  or “how to remove hard water stains from the toilet”. Everything I found led me to some cleaning product or a pumice stone.

Since Home Depot is Octavian’s favorite store in the world, we headed there. So that we could spend as much time as possible in the gardening equipment aisle, I asked a nice man who worked there where I could find the pumice stones. Then I asked him if pumice stones actually remove hard water rings from toilet bowls.

He stopped me right there.

No, no, no, no, no pumice stone, he said. Too much risk of scratching the porcelain. 

Thank goodness, this toilet angel from Home Depot had a better idea – Fine-Grit Drywall Sanding Screens. YOU GUYS, this man saved my toilets!

Here’s how you can save yours.

drywall screen for cleaning toilet

How to: (Step-By-Step)

  1. Gather all of the necessary supplies.
  2. Put on a pair of rubber or latex gloves and cut 1-2 small square pieces from a sheet of Fine-Grit Drywall Sanding Screens. Set them aside.
  3. Carefully open the Barkeeper’s Friend and sprinkle it inside your toilet.
  4. Wearing the gloves, gently yet firmly, begin scrubbing away the hard water buildup in a circular motion with the Drywall screen. Don’t press TOO HARD. Our goal is to remove hard water stains, not destroy the porcelain.
  5. Continue until all of the built-up hard water stains have been removed.
  6. Flush.
half cleaned hard water toilet

What Doesn’t Work?

  • Bleach
  • Toilet bowl cleaner
  • Vinegar solution overnight
  • Those tabs that turn your toilet water blue
  • Baking soda
  • Borax and vinegar

None of the above worked. In fact, I later learned that bleach may make toilet rings caused by hard water worse – or even permanent! 

Toilet with hard water removed

Yay! Sparkling CLEAN toilets! 

Seriously, though, that’s all it took. So easy.

If you loved learning how to remove hard water stains from toilets, you may also enjoy this How to Remove Hard Water Stains from Glass Shower Doors post.

toilet with hard water removed
Before Image of a Toilet with Hard Water Ring around the water line in the bowl, with a after cleaning picture next to it showing toilet bowl without hard water stain

How to Remove Hard Water Stains from Toilets

4.87 from 517 votes
Removing hard water stains from toilets is easier than you might think! With this quick and simple method, you’ll have your toilet sparkling clean in just minutes—no harsh scrubbing or scratched porcelain required. Check out the video below to see how effortlessly it works!
Print Pin Rate
Prep Time: 5 minutes
Active Time: 5 minutes
Total Time: 10 minutes

Video

Instructions

  • Gather supplies.
    Hard water stained toilet
  • Put on gloves and cut 1-2 small square pieces of Fine-Grit Drywall Sanding Screens. Set them aside.
    drywall screen for cleaning toilet
  • Carefully open the Barkeepers Friend and sprinkle inside your toilet.
    Hard water stained toilet
  • Wearing the gloves, gently yet firmly, begin to scrub away at the hard water buildup in a circular motion with the Drywall screen. Don’t press TOO HARD. Our goal is to remove hard water stains, not destroy the porcelain.
    half cleaned hard water toilet
  • Flush and be amazed!
    toilet with hard water removed
Close up photo of Chef Jessica Randhawa of The Forked Spoon in a blue spotted dress, in the sunlight

Jessica Randhawa

Chef | Food Photographer

Jessica Randhawa leads The Forked Spoon, sharing 15 years of experience and over 1,200 original recipes, kitchen tips, and practical cooking advice. Inspired by her world travels, Jessica's approachable recipes have been featured in outlets such as USA Today, Daily Mail, and CNET. She holds a Bachelor of Science from the University of California.

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Recipe Rating




4.87 from 517 votes (366 ratings without comment)

262 Comments

  1. Jody says:

    5 stars
    Okay. First of all, I have never posted in all of my years of Pinterest on ANYTHING! However, I am SO impressed by the outcome, I had to share! I was desperate to get the mineral deposits off of my toilets! I’ve tried all the DIY remedies! I came across this one and gave it a shot. Even the Home Depot guy was skeptical. This TOTALLY worked! My toilets look brand new! Thank you for sharing this trick!

  2. Sharon C says:

    5 stars
    This was the most useful tip I have ever found! I am amazed that it worked perfectly. I have spent hours trying to remove hard water rings in the toilet bowl with no success. I used Zud, which also contains oxalic acid, instead of Bar Keepers Friend. I sprinkled it in the toilet and waited about 20 minutes. Then I used a small piece of sanding screen to remove the ring. It literally took 3 minutes to completely remove the hard water ring. The toilet now looks brand new! Thanks so much.

  3. Robin says:

    What is barkeepers Friend?

    1. Jessica Randhawa says:

      Barkeepers Friend is a mass-produced cleaning supply that has been around over one hundred years. You can find more details about it and also buy it here on Amazon: Barkeeper’s Friend

  4. Paulette says:

    5 stars
    Printed out the instructions and gave to my husband for his next trip to home depot. He came home with the right stuff and I tried it! IT WORKED, holy cow! Thank you so much!

  5. productreferee says:

    5 stars
    Hi, Right now I am looking for brand new. Because of I have tried everything for years and have been so embarrassed about my stained toilet. Thanks for the sharing this.

  6. Sam says:

    5 stars
    This worked where everything else failed. I was so pleased with the results, and the minimal effort required, that I went over to my girlfriends house and cleaned her toilets. Thank you!

  7. Liz says:

    5 stars
    Hi. We’re getting ready to try this. I read the instructions out loud to my husband and he said, “what she didn’t say was…turn off the water to the toilet and flush”. Thereby lowering the water level and keeping the cleaning solution more intense.

  8. Michelle says:

    Does anyone know if bar keepers is septic safe? Thanks

    1. Jessica Randhawa says:

      Yes, Barkeepers friend is septic tank safe! It states so on their website.

  9. Sonia says:

    Hi Jessica,
    Living in the Netherlands I had to Google Barkeepers Friend. There are a lot of different versions. What did you use exactly? I may be able to buy it online.
    Thanks a lot!
    Sonia

    1. Jessica Randhawa says:

      Hi Sonia,

      I have used both the “original” and “stainless steel” versions – both work great!

      Good luck sourcing.

  10. Angie S says:

    5 stars
    Thank you! In under 5 minutes it looks like new. After a year of trying, I stumbled across this and am glad that I did.