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Old 03-07-2019, 08:58 PM   #4
fjr vfr
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Join Date: Sep 2018
Location: Hanover, VA
Posts: 83
When camping our 40 gal black tank lasts about a week. But it all depends on how full of it you are... lol.
A friend of ours had a big tank in his pickup truck. He used a maserator pump and pumped from the trailer into the truck tank. He then drove to an rv dump and drained and flushed the truck tank. With 88 gal you might need 2 tanks or drums in the truck. Good luck
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