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Why Your Toilet Keeps Clogging
Why Your Toilet Keeps Clogging
4.8 RATING

Why Your Toilet Keeps Clogging

It's not unusual for a toilet to clog occasionally, especially if you're fond of flushing non-flushable items like paper towels. However, a toilet that clogs…

June 23, 2026
Why Your Toilet Keeps Clogging

It’s not unusual for a toilet to clog occasionally, especially if you’re fond of flushing non-flushable items like paper towels. However, a toilet that clogs repeatedly indicates a bigger problem that needs to be addressed. In this article, Mr. Rooter Plumbing explores the five common reasons your toilet keeps clogging and effective solutions to each issue.

Mr. Rooter Plumbing Can Help If Your Toilet Keeps Clogging

Mr. Rooter Plumbing is here to help you with all of your toilet plumbing needs. If you’re in need of clogged toilet repair, toilet replacement, drain cleaning, or any other plumbing repairs, reach out to Mr. Rooter Plumbing.

Our Customers Reviews

Chahib Chakrome

Summit, NJ

The service provided was great, nothing to say about the work of the plumber. 5 stars to him. But the company charges felt way too much for the work. We would have liked to have the same plumber take care of other things in the house, but every time he check how much extra the company will charge for the job, the price just got too much. The plumber did an amazing job he selected a beautiful faucet to replace our old one. He did his best. But the company prices have no room for negotiation.

Tiffany DeSande

Plainfield, NJ

A million stars!!!! Steve and Lucas were absolutely amazing. My parents pipes burst and within 4 hours of calling they came and fixed everything!!! Very nice guys and dealt with my panicking. I will always use them if needed in the future and you all should too!!! Thank god for people like this!!! Thank you so much guys!!!

Naomi Langer-Seltzer

New Brunswick, NJ

We got very quick service, I think the plumber actually arrived in less than an hour! After reviewing what was happening, he gave us our options and performed the option we selected. This happened in the late afternoon or early evening. It was already dark and there was a lot of snow on the ground.

Steve Smith

Mountainside, NJ

I needed immediate, same day service in the early evening at my home. I went to the internet and looked up plumbing services that offered "24-hour, 7-day a week" availability. The first 3 places I called said that they could not get to me until the following day. Then I called Mr. Rooter. They were courteous and promptly got a technician to my house within an hour and a half. The technician, Lucas Kaufmann, was exceptional. The job was not easy, but he figured the problem out and got me all fixed up within an hour's time. Moving forward, I…

Stephanie Brown

Cranford, NJ

Despite what was quite obviously a busy day (day after Thanksgiving at 10pm) TJ came out and did not leave until the job was done! There were several setbacks, which at the late hour might have prompted him to leave- but he chose to stay and continue until the job was complete! I only have one bathroom so I was really hoping he could make it work, and he really did a wonderful job! So thankful for all of his help! I highly recommend TJ!

Shaheen Dhanani

Union, NJ

This is my second time using Mr. Rooter and I have to say they are an excellent company of experienced professionals! The service techs were courteous, experienced and actually spent time trying to figure out the issue before proposing the solution. They were also patient and answered all my questions without rushing the work. I will be using them again.

Christie Murphy

Montgomery, NJ

TJ was amazing! 10/10 recommend this company. We were in an emergency state of panic with a burst pipe in the middle of a bad snowstorm. TJ came with knowledge, professionalism, kindness, and found the root of the problem within five minutes of being here. We will be using him again in the spring to fix an outdoor issue he found!

Alan Abraham

Clark, NJ

The technicians were friendly, professional and knowledgeable. The price was too high I believe, but the technicians had no control over that. The technicians took their time and did a great job. I would use them again and also recommend them.

Amy Swart

Berkeley Heights, NJ

Excellent service! Charles and Nicholas of Mr. Rooter arrived to my scheduled service a few minutes early, wore sanitary shoe coverings, and were extremely professional. They found the source of my leak quickly and fixed the issue. While they here, I requested an additional hydraulic heating inspection which they accommodated. They were very knowledgeable and provided helpful tips. I highly recommend this team and I will definitely call them for all future plumbing needs!!

JACKY Coppola

Wall Township, NJ

TJ came to my aid as the water pipe froze in my house. Although nothing could be done he gave me hints of what could be done my me which was very helpful. I found TJ very professional and caring about my situation. The best part of the very long night was the dogs adored him one wanted to accompany him to his next job. Thank you for employing such an amazing man. Plus today there is water running in the house. Thank you TJ and thank you Mr. Rooney plumbing for employing a man with helpful hints!!!!!

  • Older Model Low-Flow Toilet

If you have an old, low-flow toilet and it keeps clogging, it may be time to upgrade to a new and more efficient model. Older toilets do not have sufficient pressure to get rid of the waste efficiently. A toilet that lacks adequate pressure is prone to frequent clogging. Reach out to a professional plumbing service for toilet replacement and say goodbye to the endless issues that come with older toilets.

  • Older Pipework

If your plumbing is old and your toilet keeps clogging, the culprit could be deteriorating pipework leading to the sewer line or septic system. There’s a good chance debris has accumulated on the pipe walls or the pipes are corroded, thereby reducing the pipe’s inner diameter. While hydro-jetting can help in some cases, the strong water pressure can be risky for weak or damaged older pipes. The best solution for older pipework is to have a skilled plumber replace the pipes. Call in a plumbing service that specializes in pipe replacement to inspect the pipes connecting your toilet to the drainage system and give you professional recommendations.

  • Flushing Inappropriate Items Down The Toilet

Unfortunately, many homeowners have a habit of treating their toilets like trash cans. They flush all sorts of items down the toilet, including paper towels, wet wipes, cat litter, cotton swabs, and many more. Non-flushable items are the leading causes of clogged toilets. While it may seem convenient to flush things down your toilet, most of them are the reason why your toilet keeps clogging. The only three things you should flush are—pee, poo, and toilet paper. Anything else doesn’t belong in the toilet. If your toilet is clogged and DIY methods don’t seem to work, call a professional plumbing service specializing in clogged toilet repair to find the source of the problem and restore proper functioning. Regular drain cleaning can help prevent drain clogs.

  • Sewer Line Issues

You could be doing everything right, including being careful about what you flush, but sewer line problems are responsible for toilet clogging. The proper functioning of your sewer line largely depends on the condition of your sewer line. If your sewer line is blocked or damaged in some way, it will hinder the normal flow of wastewater from your entire house. In extreme cases, the wastewater will back up into your drains instead of flowing smoothly into the sewer system. If you suspect a blocked sewer line, call a licensed plumbing repair service to inspect the sewer line and suggest recommendations.

  • Hard Water Build-Up

Any plumber will tell you that hard water is not good for your plumbing. The minerals in hard water will build up on the pipe walls over time and lead to complete blockages. If you live in an area with hard water, you should not rule out hard water buildup as a possible culprit behind toilet clogging. The good news is that professional plumbers like those at Mr. Rooter Plumbing can get rid of hard water buildup through hydro-jetting. In cases where the buildup is severe, the best solution is to replace the pipes. Consult with a nearby plumbing repair service for a professional opinion.

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