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Old 03-14-2010, 09:50 PM   #11
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Location: Enumclaw, WA
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Originally Posted by TulsaSteve View Post
I've been thinking about this and it makes sense to put some gray water into the black tank. Imagine if you had a septic tank and the ONLY water that went into it came from RV toilets that use very little water by design.

Shower/kitchen sink to the gray and other sink(s) to the black seems like a good balance.
I suppose if you use the bathroom sink enough but we really only use ours for when we brush our teeth so it really isn't putting that much water in there.

"I can fix it, and if I can't fix it, I can fix it so no one can fix it!"
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2009 Georgetown 378TS | 1998 Jeep Wrangler | 1998 Skeeter ZX202C
Nights camped in 2009: 53 | Nights camped in 2010: 55
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Old 03-14-2010, 10:00 PM   #12
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Originally Posted by NWJeeper View Post
I suppose if you use the bathroom sink enough but we really only use ours for when we brush our teeth so it really isn't putting that much water in there.
Agreed. The black tank flush system is a valuable feature.

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Old 03-15-2010, 06:22 AM   #13
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Location: Upperco, Maryland
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Originally Posted by mr.ken View Post
I read on another forum that many Georgetowns have 1 or more sinks plumbed into the black tank. Does anyone know if this is true, and if they plumb every coach the same, or it is floorplan specific???? I am specifically interested in a 2010 357QS. It has 41/41 for black and gray, but Im curious if they are sending any gray water in to the black tank.....
To be 100% sure if it's plumbed in, BEFORE you use the Toilet and get any waste in the tank, hook up a hose to city water inlet and open the black waste valve, turn on the sink and see if anything comes out of the waste line. It will drain almost immediately unless your out of level to the oppsoite side. If it does run out of the waste line follows NWJeeper's advice about keeping water in the trap.


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