Monday, March 20, 2017

How To Use Hydrogen Peroxide, Catalytic Carbon, and Ultraviolet Sterilizers To Eliminate Sulfur Odors and Sulfate Reducing Bacteria from Well Water

Gerry,

My neighbor told me about your company.  I have a very bad rotten egg odor in our well water. I don't know why but it developed over the last year, we never had it before.   Our neighbors have a similar problem, not as bad but they use chlorine.

My wife does not want chlorine, and I read on your site about peroxide.  Would that work for me?  I think we have iron or sulfur bacteria, as we have a lot of gray slimy growth in our toilet tanks.  We also tested positive for coliform but i shocked the well and not its clean, but will peroxide also kill coliform if it comes back?  thanks

Bill R.
North Carolina



Hi Bill,

Yes you can definitely use hydrogen peroxide injection to eliminate this problem once and for all.  Unlike chlorine bleach (sodium hypochlorite) which adds sodium to the water, peroxide breaks down into oxygen and water and leaves the water fresher and better tasting.

The combination of peroxide and catalytic carbon works particularly well.  Unfortunately peroxide is not recognized as a suitable or effective disinfectant for water though.  See this link for more information on that.   However, ultraviolet sterilizer can be used, after the softener to kill bacteria.

Here is how the system would be set up:  



In this application a Metering Pump would be wired to come on with the well, and then whenever energized a dilution of peroxide would be injected to oxidize and destroy the sulfur odors.  An Inline Mixer allows for complete injection to occur with filtration by a Catalytic Carbon filter.  This Carbon system will remove the residual peroxide, dissolved oxygen, along with other tastes and odors from the treated water as well.  

Once this process is complete a Heavy-Duty Water Softener removes the high water hardness levels so as to stop scale build up as well as allowing for less soap usage, protecting fixtures and plumbing, not to mention clothing lasts longer when washed in softened water. 


Sanitization of the water at the end would be by a UV Sterilizer. 

The Precision-24 self-priming metering pump systems are easy to install by anyone familiar with basic plumbing and very easy to maintain yourself.  Settings for the pump will be provided as well as the ratio of Peroxide : Water to be used.

There are many benefits of using Peroxide to treat water.  Maintenance costs are similar to Chlorination. Peroxide does cost a bit more typically however the benefit is not using chlorine whatsoever. 

The following will show images, a brief description of each, warranty info, and a link for more information.

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Precision-24 Metering Pump with 15 Gallon Solution Tank:                     

Extremely versatile pump comes in either 115 or 220 volt so as to be wired to come on whenever your well or pressure system is energized.  Works with well water flow rates from 1 – 50 Gallons per Minute (GPM).  All installation information is provided as well as our tech-support.

Output rating:  0.1 – 24 Gallons per Day (GPD).  Pressure rating:  Will inject into lines with up to 110 PSI.  Digital speed adjustment allows for quick changes to pump output.


Additional features:  Degassing Valve is built in which makes this great for chlorination use.  System includes Chlorination Pump, 15 Gallon Solution Tank, Injection Check Valve, tubing and installation fittings. 

Excellent Warranty:  1 year on the Metering Pump


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Static Inline Mixer, Sch 80 1” PVC with Baffles:      


Excellent for instantaneous mixing of injected chemicals such as Peroxide, Chlorine, Soda Ash, or Sodium Hydroxide.  Clear PVC Mixer also available however has a 2 – 3 week lead time. 


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Neutra Sul Hydrogen Peroxide NSF Grade for Drinking Water                    

Safe to use 7% solution.  5 Gallon Bucket.   NSF Certified for Drinking Water applications.  Average use is 1/2 gallon to 1 gallon per month depending on level of odors and amount of water used.   35% also available however can’t ship that solution strength.



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Catalytic Carbon Backwash 5900, 1.0 cu. Ft. 115 Volt:                             

All the filter media you need for the system is included. Excellent for use in removing oxidized elemental sulfur, residual peroxide from water once injected, along with improving overall tastes and odors.  Long lasting & durable this Coconut Shell Catalytic Carbon typically lasts for 5 – 7 years and is easily replaced.

Much longer life and higher flow rates than standard carbon. Unlike carbon cartridges which can trap sediment and dirt causing pressure drop these systems automatically backwash out trapped sediment alleviating pressure drop. 

Dimensions:  9” Diameter x 55” Tall with control valve.  ¾” or 1” pipe connectors and bypass is included.  We also provide full installation and start-up guides directly to you and are available for Tech-support. 


Excellent Warranty:  Industry leading 7 Years on Control Valve & 10 years on the media tank.

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Softener 5900e Series- 32K Size, 1.0 cu. Ft.                                               

Includes 1 inch or 3/4 inch pipe connectors; by-pass valve; 1.0 cubic feet of heavy-duty Softener resin; heavy-duty brine tank; and 5900e Series digital metered-regeneration control valve.  Ease of service along with a simple user interface are a big plus with this valve.

Excellent quality and will last for years to come, typically 10+ as long as is backwashing normally and using the proper amount of salts.  These are quite efficient with usage, thus would only regenerate based upon the gallons used and not by days of the week.


Dimensions:  9”x 48” Tank, with the valve is approximately 55” tall.  All instructions on assembly are included as is tech-support as well.  Brine Tank is 18” Diameter x 33” Tall.

Excellent Warranty:  Industry leading 7 years on the control valve; 10 years on the tanks.

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UV002370 -  UV Sterilizer PC-12:  12 GPM:                        


1” fittings.  Heavy-duty 304 stainless steel UV is suitable for water pressures up to 100 PSI. Two end caps make it easy to access the lamp for changing from either end; not one end like some UV sterilizers.

Convenient external ballast and power supply makes installation easy.  Includes Bacteria Test Kit at no charge with purchase.

Voltage:  100-240V 50-60Hz; 40 watts.

Dimensions: 3 inches diameter x 36 inches length.

I hope this information helps and finds you well, should you have any questions or require additional documentation simply let me know.  Thanks again for contacting us to treat your water, I look forward to hearing from you.