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Old 11-06-2013, 07:36 AM   #15
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Water, water, water. That's all that is needed.

If you have odor in the coach then there is a problem with seals/traps. And notice I didn't say black tank odor - the grey can smell as bad/worse. So you need to figure out what seal/trap is dried out/not working correctly and get that fixed. Also agree that the rotating vanes work great to keep air moving up and out of tanks - we have them on both tanks. Got when we were having problem with the grey tank and the problem was not a tight fit where the washer/dryer discharge tube went into the great tank. Once we took care of that, problem solved.

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This is not always the case, Barb. Some designs just don't vent as freely as others so when the toilet is flushed odors come in. There can be vent location problems and other reasons for tank odors getting into the living quarters when the seals are all working correctly.

Using the odor preventative I suggest above is a good practice that works and is safe for septics at RV parks. Many of the commercial tank treatments contain chemicals that harm septic systems.

We are fulltimers. Of all the treatments I have tried this is the one that works the best. As far as using lots of water is concerned, this is not always possible. Dry camping required conservation. Keeping active bugs in your tanks will help when dump time comes.
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Old 11-06-2013, 08:11 AM   #16
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I had to replace seals in the toilet to prevent black tank smell which was coming back thru the toilet itself.
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Old 11-07-2013, 08:07 AM   #17
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I had to replace seals in the toilet to prevent black tank smell which was coming back thru the toilet itself.
Been there, done that.

Unfortunately this is not always the case. Our coach is had a bad odor from the toilet when we bought it in May. We started treating the tank, as I have described above, and the odor moved out after about the second tank flush. If it works, do it.
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Old 11-07-2013, 09:40 AM   #18
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"Happy Camper" is supposed to be the best.
Not just "supposed to be", it IS the best!
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Old 11-07-2013, 10:20 AM   #19
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If you feel good spending $$ for things you don't need, then go ahead. Momentary whiffs when flushing are just that: momentary. Make sure you don't run vent fans until after you have flushed and put the lid down on the toilet. If you are getting odors after flushing and closing the lid, you have a seal problem.

But again, if you want to spend money on something you don't need go ahead. After 7 years of fulltiming I see no need to waste money.

Barb
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Old 11-07-2013, 12:50 PM   #20
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Almost every time we've had "Sewer Smell" in the RV, it was because we had not run the wash machine in so long that the water in the drain traps had evaporated. Draw a little water in the washer, then set it to spin and problem fixed.

Now, it is possible you can get odors from a defective toilet seal, but then the water draining out of the toilet bowl is an indicator there is a problem.
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Old 11-07-2013, 01:04 PM   #21
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We had a bad flange seal. I did not realized until. Leaning the bathroom one day, and the carpet was wet around the base. I investigated further, and found the carpet was also wet around the has of the riser. I decided to rip out everything because the parts to redo the 13 year old toilet were almost as much as a new one.

I tipped out everything, found the wood on the riser was wet. I washed and bleached it, let it dry, put on a couple coats of kilz primer. Put down some vinyl tile, put in a new toilet, the whole place smells better now. By the way, all we use is about 1&1/2 cups of Calgon powder with 2 gallons of hot water.
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Old 11-08-2013, 12:08 AM   #22
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We use 1 cup of cheap liquid laundry detergent and 1 cup of cheap automatic dishwasher detergent from the $.99 only store in each tank. Never have any odors. First time I used them could see a lot of scale flaked off the walls of the tanks. Still see a little each time the tanks are drained.

Chuck
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Old 11-08-2013, 08:55 AM   #23
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We are fulltimers. When at Winnebago in Forest City the tech who worked on our coach learned of using a cheap enzyme based dishwashing power from one of his other customers. We continued the practice on this coach. Originally it was to get the sensors to work correctly, which it did from time to time. (Tank had too much old "stuff" and needed a more intrusive cleaning.) Now we are simply maintaining this tank as the unit is new to us and working fine. We had a odor when we first took possession in May. No more since we started this process. Cost is about a buck or so a month.

Our trails are happy and odor free! Happy trails to you.
Rick
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Old 11-08-2013, 07:54 PM   #24
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We use 1 cup of cheap liquid laundry detergent and 1 cup of cheap automatic dishwasher detergent from the $.99 only store in each tank. Never have any odors. First time I used them could see a lot of scale flaked off the walls of the tanks. Still see a little each time the tanks are drained.

Chuck
Forgot to mention, since we started using the above my tank level indicators always read correct. Never did before.

Chuck
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Old 11-09-2013, 06:55 AM   #25
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Same idea, Chuck. Just use baking soda to sweeten things up and don't use the laundry detergent. I can see where the laundry power is a great idea to boost the cleaning abilities with the dishwasher power. In any case, a sweet smell is the smell of success! Right?

Happy trails and many more,
Rick
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Old 11-09-2013, 07:28 AM   #26
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I've read many have had success with using this.
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Old 11-09-2013, 10:40 AM   #27
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Same idea, Chuck. Just use baking soda to sweeten things up and don't use the laundry detergent. I can see where the laundry power is a great idea to boost the cleaning abilities with the dishwasher power. In any case, a sweet smell is the smell of success! Right?

Happy trails and many more,
Rick
Thank Rick, I'll try the baking soda next time.

Chuck
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Old 11-10-2013, 09:24 AM   #28
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Water is all that is required, and there will be no offending smell with the exception of having put high bleach content in the tank, thus destroying the natural process.

Ed
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