Does Your Water Smell Like Sulfur or Rotten Eggs?

Find out how to fix this problem, quickly–with the help of your friendly Culligan Man

What our clients say

There’s a reason Culligan of New Hampshire is the best water treatment company in Manchester, Portsmouth, Nashua, Concord, Salem, Derry, Merrimack, Hudson, Londonderry, Bedford.

Thank you to Technician Chris and the Culligans crew of Manchester for great service identifying and fixing what had been a long running water system issue for us. Great customer experience, great service, nice outcome. We wish we'd called Culligans sooner. A neighbor recommended Culligans, and we'll do the same.
Time will tell if this is a company I would ever to choose to do business with again or recommend.
I would like to express my gratitude for the exceptional service provided by the gentleman who worked on our house. He demonstrated an impressive level of expertise and professionalism. I am also pleased to note that this company has been taking care of my parents for over 30 years, and now I am thrilled to have them assist us as well. Thank you for making our home cleaner and safer for my family and me. Your efforts are truly appreciated!
Great service and very knowledgeable staff. They did a free in home assessment and water test. I was given a very fair estimate of what water treatment equipment I would need to remediate my heavy sediment and hard water. The assessor also had recommendations for future upgrades to my home's water. 10/10 would recommend to anyone.
Had an appointment in Bedford for 1/12. Service Rep was on time and changed a filter and delivered salt for the water treatment system. Excellent service and very friendly. I will always use Culligan!
They are great but I was not there that day I was next door for a haircut at salon Elio
Will came and gave a professional and informative assessment and estimate for our radon and ph issues.Jarrodd was our installer. He gave a friendly reminder call, showed up on time, was dressed professionally, and followed current safety guidelines.In addition to the awesome new system we have, we will be forever thankful to Jarrodd for saving our chickens! He was outside the house, up a ladder, and heard the neighbors dog running into our yard and going after our chickens.Jarrodd jumped into action and grabbed the dog to save our family pets 🙂 Our 7 and 8 year old sons have raised the chickens from 2 weeks old. We can't thank him enough for going the extra mile! ❤️
Very impressed with the Manchester Culligan of New Hampshire location! Cathy, the operations manager answered my questions and promptly scheduled our service. Andy, the service tech was very thorough, efficient, and friendly. I was doubly impressed that I didn't have to ask him to wear a face mask while servicing our whole house and RO filtration systems. Thank you!
Met with Will to go over options, the next week Jarredd did my install.Great job by both, very professional company. Highly recommend them.I have the whole house water softener and R/O drinking water systems.Incredible difference.
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Usually, if your water smells like sulfur or rotten eggs, the reason is because your water has high Hydrogen Sulfide (H2S) content.

H2S is a gas that is released from the earth and finds its way into groundwater. It’s especially common in well water located near shale, sandstone, coal, peat, or oil.

(Occasionally, a rotten-egg smell in your water could also be caused by a water heater or by sewage pollution in your water. If you’re on city water, the most likely explanation is your water heater.)

A rotten-egg smell in your water may be strongest right after turning the water on, as heat forces the gas out of the water and into the air
H2S dissolves in water to create a weak acid that can corrode metal pipes

Negative Effects of H2S

In addition to potential health risks, having H2S in your water can cause all sorts of annoying problems. H2S in your water can:

  • Cause coffee and tea to be discolored and taste funny
  • Corrode metals (steel, copper, iron, brass), including silverware
  • Cause foods cooked with water to taste “off”
  • Create yellow or black stains in your bathroom and kitchen 

How Do You Fix It?

Here at Culligan, you can find everything you need to get rid of H2S and that sulfur/rotten-egg smell from your water.

The first step we have to take is to test your water, so we can be sure of the real cause of the rotten-egg smell.

Fortunately, here at Culligan we offer this service free. One of our water experts will come to your home to test the water (you can’t send it away to a laboratory because H2S is a gas and could dissipate during transport) and let you know the source of your rotten-egg smell. You’re under no obligation whatsoever. 

Culligan water treatment systems can completely remove the rotten-egg smell from your water

To get in contact with us and schedule your free water test, just fill out this quick form to contact us: