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Old 05-19-2018, 10:04 AM   #1
Shelley
 
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Fresh Water Tank Rotten Egg Odor

Owners of Forester 2401W MBS. On our last outing in April, I noticed a really bad rotten egg smell when I would turn on the water. This was about our 5th trip with the new RV.

My husband said it must be our gray tank. I disagreed and said it was our water. When we returned home and thoroughly cleaned our black/gray tanks, (and emptied our water tanks), we figured we were good to go. All tanks drained.

Then, we went to the mountains this weekend and as soon as I turned on the water, it was back. We filled our fresh water tank with our well water just hours before leaving for our trip. But, when we turned on the faucet, the rotten egg smell was back. This time my hubby realized it was our fresh water tank and it was our water that had the horrible rotten egg smell.

We are newbies and thought we had figured out most of our initial challenges, but having water during our trips has not been an option. We are on a well and do use well water for filling up our fresh water tank. However, I don't have a bad smell in my home from our water (and our well was cleaned 2 years ago).

Has anyone ever heard of this before? We were thinking about placing a few tablets of bleach into the tank, but we are not sure if this is a sound decision. If it is, then how many tablets do we use? How long do we leave them in the tank? How much water will we have to run through our system to rid the smell of bleach?

Thank you.
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Old 05-19-2018, 10:07 AM   #2
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You sure it's not your water heater? That's a common thing with it.

See Video #5 here, as it will explain how to remove "rotten egg" odor from the fresh water tank, and/or water heater.

Suburban Water Heater Video Guides
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Old 05-19-2018, 10:10 AM   #3
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I don’t know? Is there a way to tell? And is there an easy fix?
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Old 05-19-2018, 10:12 AM   #4
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Is not uncommon. Draining your tank is only half the solution. You must then sanitize it with bleach.

YouTube has many videos on the process. Very easy.
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Old 05-19-2018, 10:18 AM   #5
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Quote:
Originally Posted by BuzzWolfAR View Post
Is not uncommon. Draining your tank is only half the solution. You must then sanitize it with bleach.

YouTube has many videos on the process. Very easy.
X2, but also sanitize all of your water lines at the same time by running all of your faucets until you smell the chlorinated water coming out. Then let it rest for several hours.

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Old 05-19-2018, 10:18 AM   #6
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Quote:
Originally Posted by SBurson View Post
I donít know? Is there a way to tell? And is there an easy fix?
Mark Polk explains it all here, and how to fix for both the fresh water tank and/or water heater:


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Old 05-19-2018, 10:24 AM   #7
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Do the sanitizing procedure now to clear it up.

In the future, get in the habit of doing the sanitizing procedure every spring when you de-winterize ur camper. Be sure to fill the water heater with water that has the chlorine it it and run it through EVERY line in the camper including the outside shower if you have one.

When you fill yoru fresh water tank, insure you run it through a filter.

This one is good and will last 1 season. It filters out more thanmost of the larger much more expensive filters:

https://www.campingworld.com/tastepu...gaAiIZEALw_wcB

The link is for Camping World but Wal Mart has them also. Hook it onto the hose connection at yoru faucet and let it filter the water before it goes into yoru fill hose.
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Old 05-19-2018, 10:25 AM   #8
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First, disconnect from city water if you have it hooked up...

Then drain your fresh water tank and all of the plumbing, then bypass your water heater (don't want bleach in there so I've been told) and fill your fresh water tank about 1/3, then pour 3/4 cup of bleach in the fresh water tank, then fill another 1/3 with water, then pour another 3/4 cup of bleach, then fill the tank until you see it start to come out of the overflows under the trailer.

You should be able to smell the bleach a little from the overflow under the trailer...

Now, using the water pump, run water out of the hot and cold of each and every faucet, including the inside and outside shower and also the toilet!

Make sure you have good flow from all of them...

And now...just leave it sit for 24 hours like that!

Now, drain the fresh water tank, but not the plumbing using the low point drains.

Once the fresh tank is completely empty, fill the fresh tank with water all the way, then run all of the faucets with the water pump until you can smell that the bleach smell is not as strong, then empty the fresh water tank and fill again and repeat this process.

Might have to do it a third time, but this should sanitize the fresh water tank and all of the plumbing.

I do this at the beginning and the end of each camping season.

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Old 05-19-2018, 10:26 AM   #9
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You are exacerbating the problem by using well water in your fresh water tanks as it has no chlorine in it. Not that it is bad, but when it sits, generally in the HWH, it will develop a hydrogen sulfide (H2S) smell, especially if your well water has sulfur in it. Usually running a full tank of hot water out of your HWH will take care of it. We don't drink the water from the tanks so all I do if it gets really bad (never does) is to put a couple of pounds of baking soda mixed with water in the water system, let it set for an hour and then flush with clean water.

The H2S that you smell is not going to hurt you but you might flush with chlorine (or vodka!!!) let it set and then flush it out. You can minimize or totally eliminate the problem in the future in your case if you drain the HWH and FW tank when you get home from a trip and don't let the water sit in the tanks between trips.
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Old 05-19-2018, 10:27 AM   #10
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Thank you!
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