Min. black tank for 7 day Boondock?
We have a short list of sub 28' "couples" trailers that we are considering. Some have black tanks as small as 25 gal. What is a min. tank size, for a couple, that would allow us to boondock at least...
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My Retro trailer has a 17 gal. black tank. DW and I can camp for 4 days easily without dumping. I would think 25 gal. could last us a week if we were careful.
