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Old 02-14-2006, 03:22 AM   #15
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We had the same problem. After removing, cleaning, and replacing the drain pipes we had the same problem again in about six months. The pipes were restriced with soap scum.

As has been noted the slope is not fast. While talking to some other RV's we learned that BAR SOAP contributes to build up by its very nature. Liquid soap, by its nature, stays more liquid and drains away better than BAR SOAP. Sounds reasonable. We switched to liquid bath soap a year and a half ago and have not had a problem since.

Sooooo...Have you been using BAR SOAP?

It would be interesting if we could get a larger sample of experiences and maybe come to a conclusion.

Cost you nothing to try....

Steve & Sherri
2002 Winnebago Journey DL 39QD
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Old 02-14-2006, 06:20 AM   #16
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There really aren't any seals to worry about - all the drain plumbing is glued PVC, just like a house. The only possible exception is at the gray tank drain valve and whatever cleaner you put in is well diluted by the time it gets there. We aren't talking gallons of drain cleaner - just 4-6 ounces in most cases and it should only take a few minutes to work. If you are concerned, do it when the gray tank is half or more full and you have a sewer conection at your site. Drain and flush the tank afterwards.

Gary Brinck
2004 American Tradition; 2014 Buick LaCRosse
Homebase in the Ocala Nat'l Forest near Ocala, FL
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Old 02-15-2006, 07:37 AM   #17
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Lots of comments, but still a little confusing with so many different methods. So, we stopped at a National RV dealer yesterday and talked to service. They said not to use Liquid Plummern as it creates heat (I looked at the info on a bottle and it said safe for septic systems and PVC). He said I could use a snake, but not the ones with the barbs. He also suggested the hose solution and recommended short bursts. He also showed us a solution that can be used to help clear the drain. They also had a solution which, after the drain is clear, you can use and it sort of 'oils' the drain to help keep it clear.

So, we're going to try the hose method. He said to have the gray water hooked up to the sewer before doing it. Then, we're going to get some of that other stuff that will keep it 'oiled' and also get a small screen for the drain which will catch the hair before it goes down the drain

<font color="#0000ff">George Eldridge

Cynthia Totten</font>
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