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Old 10-19-2012, 04:58 PM   #1
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I Wonder

As I sit around the old camp fire, I wondered why there is a gray tank and a black tank? I know the purpose of both, but they both dump in the same hole. Why isn't there just one tank? Is it structural design limitations or weight? Any ideas?? Hope this doesn't cause a stir in the RV industry. :hihi:

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Old 10-19-2012, 06:00 PM   #2
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My comment is it is to give you options. I had an old TT that did not have but one tank for everything. First mod was to have a second tank added and separate the grey and black water. It is not a big problem when the grey is full but the black can be a little problematic. We generate much more grey than black water.

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Old 10-19-2012, 06:47 PM   #3
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Odor is one reason.

The early Travco motorhomes had a device that burned the contents of the tank while driving!
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Old 10-19-2012, 09:24 PM   #4
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Many campgrounds used to let you dump grey water on the ground, we would dig a hole next to the tt and dump the grey water in, then fill the hole when we left. Some cg here in California will let you dump grey water from a tote into there vault toilets..........happy camping!
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Old 10-20-2012, 04:46 PM   #5
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to help clean the hose out after dumping the black..
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Old 10-20-2012, 05:09 PM   #6
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Think of all the product manufacturers that would lose $$ if there were no need for black tank specific items . . . black tank probes, monitor panels, odor control products, rapid dissolving TP, and on and on . . . . .LOL

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