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Old 10-29-2006, 07:25 PM   #2
rpcoombs
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Join Date: Jul 2002
Posts: 76
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It's because water (including blackwater) weighs so much per gallon that storing a large amount of it defeats the low towing weight target of all TM's. It's the same reason airplanes also use the recirculating toilets. Cheers, Dick Coombs
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