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Old 09-03-2014, 08:01 AM   #1
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Grey water ?

A friend says he keeps his grey water open when hooked up. He says he does not get any smells due to the water trap in the grey water drains. Does this sound right ?
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Old 09-03-2014, 08:10 AM   #2
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Yeah. Lots of people leave the grey tanks open. The traps will keep the smell out.
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Old 09-03-2014, 08:38 AM   #3
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It does, but I prefer to keep them closed. When they're left open, the trickle that streams out isn't enough to flush away the other debris going down the drain (hair, bits of food, etc..). By letting the tank fill I'm under the belief that the rushing action of more water sucks more of that stuff away.

It's not as big a problem as say leaving the black open, but it will accumulate.



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Old 09-03-2014, 08:50 AM   #4
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X2 what Kaadk said. There is just enough extra "Stuff" in grey water that I want that flushing action as well.

Oh, and another thing, you want that 1/2+ full grey tank to flush the hose after you dump your black tank.

Finally, like Kaadk sez...never EVER leave your black tank open.
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Old 09-03-2014, 08:55 AM   #5
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Plus, if you keep the valve closed, ikt will give you a better idea how long you can go before you have to dump (in case a boondocking trip arises).
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Old 09-03-2014, 03:14 PM   #6
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Quote:
Originally Posted by HSVBamaBob View Post

Oh, and another thing, you want that 1/2+ full grey tank to flush the hose after you dump your black tank.

^^^^THIS^^^^



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Old 09-03-2014, 03:27 PM   #7
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Perfect example of why not to leave it open. The previous owner of my Sandpiper left his gray water open to "trickle". As a result, something (hair, trash, ???, etc) must have settled in the valve and now it will not fully close. So, I have a very slow leak and will be changing the valve at the end of the season. If you keep your valve closed, like others said, the rush of water will flush any debris thru and out of the tank, line and valve.
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Old 09-03-2014, 03:44 PM   #8
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We always keep all valves closed until time to dump. For all the previous mentioned reasons.

Also keep hose put up too. Out west the Ravins have been known to peck holes in sewer hoses.

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Old 09-03-2014, 03:49 PM   #9
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Geez, didn't think about birds pecking at my hose... One more thing to worry about...
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Old 09-05-2014, 09:09 PM   #10
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I have been told by another camper if the gray valves are open when dumping the black it will go into the gray tanks.

Forgot to close the gallery tank after working 12+ hrs today. Wanted to see if true cause it makes sense. Had kitchen sink running for an hour to fill the tank twice. Sure enough I saw the paper in the drain of gallery tank.

The sensors read close if not true on the tanks after flushing all tanks and been making sure the gray valves closed while dumping the black.

Just a thought to those who did like I have done by leaving gray open all the time till getting ready to move. I keep the valves shut unless washing clothes and several showers with the family.


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