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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I would think 25 gallon black tank would last a week, you will have to watch the gray tank. We went with a Outdoors RV because of the water tank 78 gallons, black 40 and gray 40. After camping for a week we can dump the tanks at our local treatment plant.
