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Question DetailsAsked on 9/21/2011

How do you "chlorinate" a well so that the water in the home does not so sulfur-y?

We recently moved into a new home that has well water. The water in the shower, faucets, etc. smells very sulfur-y - more so than typical with well water. A neighbor says we can chlorniate the well, which will remove the smell, but was not sure how this is done, i.e. how much chlorine, how long to wait before flushing it out of the faucets, etc. Any experience anyone can offer would be helpful.

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2 Answers


I am not a well expert (I am a sump pump expert), BUT I have experience with chlorinating my own well, so I can tell you what I know. Hopefully a well contractor can correct me if I make any mistakes.

The purpose of chlorinating your well is to kill contaminants like bacteria, not to correct iron or sulfer in your water. You will need to invest in some combination of softener/filter to solve water problems.

The reason I chlorinated my well is that we had "iron bacteria" which makes the water rusty colored, but one of the signs that it's bacterial is if the inside of your toilet tank is not just rusty, but slimey. This is often iron bacteria and can be killed by chlorinating your well. You also might have other water issues that need installed equipment to remedy, but the bacterial issue is fairly simple to solve.

You can purchase a kit at any hardware store for about $10 and follow the directions. Allow some downtime for using water. I spent an hour or so prepping and chlorinating one evening once we were done with the water and then an hour or so flushing, etc. the next morning. All done. Iron bacteria gone. Hope this helps.

Jeff Sloss, President
Basement Flood Protector, Inc.
"Home of the world's first INTERNET CONNECTED sump pump systems"

Answered 9 years ago by floodnot


Yes have your water tested !!! I t may just be from just sitting and well a water heater rotten egg smell .you need to shut off water and drain the water heater and flush it out and start over.Hope you have warrenty call the plumber back!

Answered 8 years ago by wmadix

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