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How to Know If My House Has Hard Water
How to Know If My House Has Hard Water
4.8 RATING

How to Know If My House Has Hard Water

Hard water, if you didn't know, is water containing high amounts of mineral content.

September 16, 2026
How to Know If My House Has Hard Water

Hard water, if you didn’t know, is water containing high amounts of mineral content. It is formed when water percolates through deposits of limestone, chalk, or a mineral called gypsum. Hard water causes problems with residential water supplies since it isn’t the cleanest option. People seem to think the solution to hard water is installing water treatments into their homes, but that doesn’t fully treat the water and solve your hard water problem. If you are looking to lea more about hard water and if it’s in your home or not, Mr. Rooter Plumbing is here to answer all of your questions.

How Do I Know If I Have Hard Water in My Home?

Determining if your home has hard water isn’t hard at all. There are some minor things you can do to find out what kind of water you have in your home. Here’s what those signs are…

  • White residue

The most common sign that you have hard water in your home is noticing a white, flakey substance on your faucets or showerheads. If you notice these things in your home, this most likely means that the mineral levels in your water are too high.

  • Water sprays from the showerhead

Are you noticing that you don’t have an even flow of water coming from your showerhead? If so, you have hard water in your home. Random spurts or sprays coming from a showerhead are a very clear sign that your water is hard and contains those minerals in it.

  • Soap lather

When you’re showing and trying to get your bar of soap to lather up, do you notice that isn’t really happening? That’s another telltale sign of hard water. The combination of the minerals in your water with your soap should be natural and easy, but hard water doesn’t mix well with soaps and other cleaning products.

  • Film on your surfaces

Don’t you hate when you spend hours cleaning the different surfaces of your home just to see a film over them when they dry down? That happens because your home has hard water. That film is the layer of soap you used – it won’t dissolve with hard water.

  • Different on skin and hair

The soap scum that comes with hard water will affect your hair and your skin. How so? The minerals in the water react differently to your hair products or body products, and they can potentially leave you with dry hair and itchy skin.

Are you looking for a trustworthy plumber to help you determine if your home has hard water? Did you just move into a home, and you are wondering if you have hard water? Not sure what kind of water you have in your home? Call Mr. Rooter Plumbing today to lea more!

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!!!!!

We don’t want to freak you out and make you think hard water is your enemy. Believe it or not, hard water isn’t bad for you to ingest – you actually need some of the minerals in your water to maintain proper health. But, you want to be careful that the levels of minerals in your hard water aren’t too high.

Mr. Rooter Plumbing wants you to be aware of the different signs you may notice that let you know if you have hard water in your home. Keep reading to find out what those signs are.

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