There are several ways you can eliminate the sulfur smell. If the odor only occurs through your Hot Water Faucet, Run your hot water throughout your home and let the water run until it turns cold. This will flush out the water heater and could lessen the odor. You may have to do this more than once, and you may need to do it periodically to keep the tank flushed out. It may also help to increase the temperature of the water temporarily for several hours before flushing (be careful of scalding temperatures at the hot water fixture outlets while the temperature is turned up).
Then, Have a plumber remove the magnesium corrosion rod from your water tank and replace it with an aluminum rod. The factory-installed magnesium rod in water heaters causes the dissolved sulfur to precipitate into a gas, causing the odor at the faucet.

If the odor is coming out of cold faucet or both, it may be caused by a condition in the plumbing system that causes the conversion to the hydrogen form. Usually, this is limited to one or a few fixtures where certain bacteria have become established (known as sulfur reducing bacteria). Resolving this issue is often more difficult, requiring a qualified plumber to disinfect the home water system (usually with a chlorine solution), followed by a thorough flushing to remove all the disinfectant.

What to do if you smell Sulfur in your House

sulfur water

Sulfur-reducing bacteria

If you rely on well water instead of treated water from a municipal system, hydrogen sulfide gas could be causing the sulfur smell in the water. Hydrogen sulfide can occur in groundwater, as a natural result of decayed vegetation, and it can create a mild or strong sulfur odor, depending on the percentage of hydrogen sulfide present. While the smell is off-putting, it’s not considered hazardous to your health to use or drink.

To test for hydrogen sulfide:

Do not run the water in your home for six to eight hours. This allows gas to build up.
Put a stopper in a sink and run a few inches of water from the cold tap.

If the water in the sink has a distinct sulfur smell, it’s probably caused by hydrogen sulfide.

As a general rule, we suggest that our customers purchase one of our water tests before buying a system. The test is sent off to an independent 3rd party laboratory for testing. This allows us to provide independent and unbiased facts to our customers regarding the underlying cause of their current water issues. More importantly, it allows us to provide different solutions to the water issues that our customers face. Even better, if you choose to go with one of our recommended systems, the water test acts as a $100 credit towards the purchase price.

How to get rid of Sulfur in Water W​ell

sulfur smell in water

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sulfur reducing bacteria

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how to get rid of sulfur in water well

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What can I do to help control the odor?

hydrogen sulfide water filter

We have helped thousands of our customers learn how to get rid of rotten egg odors in their water. While there are a number of ways to remove sulfur from your water, a combination of oxidation and filtration is one of the most cost-effective and reliable. When hydrogen sulfide is exposed to oxygen, the sulfur is separated and becomes a solid that can then be filtered out. At Better Watter Warehouse, we recommend hydrogen peroxide as a relatively inexpensive yet very effective oxidizer for use with a sulfur filter. It’s safe, it’s powerful, and it works.

Both of our inFusion systems, inject a continuous flow of hydrogen peroxide into the water, causing an immediate reaction with the hydrogen sulfide – as well as any iron or magnesium that are in the water. These elements become insoluble, meaning that they are no longer dissolved in the water and can be removed. These systems also utilize backwashing catalytic carbon filters that capture and hold the solid particles, their catalytic nature promotes the oxidation process and, in fact, adsorbs and oxidizes some of the hydrogen sulfide itself. This makes the entire system more effective.

Small amounts of sulfur can also be removed from drinking water with a reverse osmosis filter or a granulated activated carbon filter, but neither method is very effective on its own. Oxidizing filters that use potassium permanganate are more effective, although this chemical is a poison that must be handled and stored carefully. Chlorine is a common oxidizing agent, but it is less effective than hydrogen peroxide, requires longer contact time, and may need an additional filter to remove the excess chlorine from your water.

We also offer water aeration systems that expose sulfur to oxygen. In this treatment method, water enters the system and is then sprayed as a fine mist into a storage tank. As the water is strayed, any volatile gasses – include hydrogen sulfide – are released. While this can be an effective method of removing many dissolved gasses, including methane, radon, and carbon dioxide, it’s not as efficient as our inFusion Systems and is not typically recommended.

sulfur smell

water quality

Check to see first if you have a gas appliance or propane appliance. Many gas suppliers put sulfur in the gas to help find leaks. Since most gases have no odors, it might be a gas leak. Call a plumber or the gas supplier first. Once this possibility has been eliminated then check your water supply or well.

Especially your drains.

Drains are another possibility because the smell could be coming from your sewer or septic tank. When they installed the plumbing in your house when it was first built the plumbers installed a pipe that would catch water preventing gases from arising from the sewer. If this shower is not used it is possible that the water in the pipe has evaporated leaving the gases able to go past the water left in a drain. All that is necessary is to run water and that smell will disappear.

Why does my water smell like rotten eggs?

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The "rotten egg" smell that may come from your faucet is likely hydrogen sulfide in water. Hydrogen sulfide (commonly called sulfur) odors sometimes are present in water fixtures of homes and businesses. It appears in wells alot. Sulfur is a mineral that exists in nature and is commonly present in water supplies. So long as sufficient oxygen is present, it exists in a combined form with oxygen and does not present odor problems. However, in the absence of oxygen, there may be conditions present that convert the combined oxygen form with a form combined with hydrogen (ie; hydrogen sulfide) instead, creating a compound that has a characteristic rotten egg odor. Even though this odor is a nuisance, the water is safe for consumption. While this is of no comfort, the phenomenon is random and found across the nation.

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Sulfur reducing bacteria or Sulfur bacterium are microorganisms able to reduce elemental sulfur to hydrogen sulfide. These microbes use inorganic sulfur compounds as electron acceptors to sustain several activities such as respiration, conserving energy and growth, in absence of oxygen. The final product or these processes, sulfide, has a considerable influence on the chemistry of the environment and, in addition, is used as an electron donor for a large variety of microbial metabolisms. Several types of bacteria and many non-methanogenic archaea can reduce sulfur.  Sulfur reducing bacteria is a nuisance.

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