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Old 08-26-2011, 11:26 AM   #1
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Grey Water Drain

Any recommendations on how best to keep the grey water drain smelling nice?

We've got an '03 Coleman Cheyenne and during our last trip the drain from the galley sink was pretty stinky when I opened the drain on the outside of the camper. No smell inside and the outside smell disappeared within a couple of hours. But, I'd like to clean this drain for future use.


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Old 08-27-2011, 10:05 AM   #2
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There are gray water chemicals that you can use, which may or may not sweeten the odor. Have had the same problems with holding tanks. There must be zillions of nooks and crannies to catch all that stuff we pour in.


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Old 08-27-2011, 10:13 AM   #3
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I would suggest mixing Clorox 50/50 with water. I use that on my sewer hose before I stow it. If you can stop up the drain before the bucket and pour it in the sink, let it sit for 30 min or so that may help.
Good luck.
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Old 08-27-2011, 10:59 AM   #4
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The problem is ... I don't think he has a gray water tank, I think he is dumping on the ground.

I used a blue boy tote tank.. the one I had was 10 gallons as I recall.. I modified a 15 gallon tow hook so I could tow it to the dump station.

There is basiclly nothing you can do to "Clean" the tank, since you don't have one. The only waste that is held "in-system" is what's in the P-Trap under the sink, Depending on your plumbing either a half cup of bleach or some Foaming pipe cleaner would be my best suggestion on board, Followed by a lot of water..

But insted of a bucket, use a 5 or 10 or 15 gallon blue boy toat for the gray water and haul it to ye-old-hole in the ground.

Note; If you get a 10Gallon uinit the tow fork won't fit.. However I have one that will.. What I don't have is the 10 gallon tank any more (Forgot to pick it up when I cleaned out my storage locker) But I think I have the modified fork.
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Old 08-27-2011, 11:36 AM   #5
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To help in the explanation a pop up drain on the older units that do not have a tank gos from the sink to a drain pipe with a p-trap to a hose to a cap on the outside wall. From there it gos into a regular hos (3-4') to a pail for holding. When full it is dumped in the proper place designated for dumping holding tanks. NOT ON THE GROUND.

I agree a good rinse into the sink with clear water to clear the p-trap (thats where the stink comes from) then put a 50/50 clorox water in until it comes out then simply close it off and the solution will stay in the p-trap and help the oder thats what I used to do with our Coleman Bayside.
Jim (SSG US Army Ret.) and Cheri (TSG Phx ANG Ret.) Mesa, AZ
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Old 08-27-2011, 12:01 PM   #6
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The OP has stated that he is disposing of his grey water properly.

Rick, Nancy, Peanut & Lola our Westie Dogs & Bailey the Sheltie.

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Old 08-27-2011, 01:18 PM   #7
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Thanks for all of the suggestions folks. Very helpful! The clorox/water solution worked like a charm.

Absolutely love the help that can be found at iRV2.

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