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Old 03-17-2020, 03:49 PM   #1
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Join Date: Jul 2019
Location: East Wenatchee, WA
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Tank sizes

We've been looking at doing more dry-camping / boondocking, and at the same time thinking about moving from our current ~31' TT to an equivalent (or slightly smaller) 5ver.

If money was no object, I'd get an AF 27-5L and be done with it. Reality being what it is... we're looking at a variety of older trailers within a given price range. Some of those are very nice, well cared for units... but the tank sizes seem a bit... small. 40 gallon fresh, 30-40 gallon black, 30+ grey (may or may not include a galley tank as well).

We haven't had any real issues with the current tank setup we have now(other than the usual with the level indicators being complete crap), with 60 gallons fresh, 76 gallons grey (including galley), 38 gallon black.

Am I being overly cautious on the tank size thing with the older trailers? Carrying or getting extra fresh water isn't *that* hard, although maybe annoying, compared to just having it onboard. Really really not enthused about the notion of a 'turd hearse' - just the two of us, and our dry camping has been a couple days, may look at extending it out to 4-5, maybe a week?

Am I un-necessarily 'narrowing the field' by being picky about tank sizes on a used RV that otherwise fits our needs for the time being - knowing that it probably won't be a 'forever' rig?


2012 F250 CCSB 4x4 XL/FX4 6.2l gas
2018 Cougar 28RLSWE TT
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Old 03-17-2020, 03:55 PM   #2
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Location: Dallas,OR
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Really depends on how long, and if you have access to any gray water dumps.
Our Cedar Creek had enough blavk capacity to last a week. Gray and fresh I never worried about because I took care of them daily. But with 60/60/40 capacities it was usually good. If you want rewlly large tanks find an older Aplenlite. Their tanks were usually in the 100 gallon range.

Don and Lorri
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Old 03-18-2020, 07:55 AM   #3
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In our 2010 Cameo the tanks are fresh 72/ black 62/ grey 62, carry a 60 gallon bladder for a comfortable 2 week stay.
2010 Carriage Cameo F34CK3
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Old 03-18-2020, 10:01 AM   #4
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For what it's worth, the two of us can go for five or six days of boondocking with 30 fresh, 25 gray, and 25 black. The gray tank is the limiting factor (since we can just add fresh water to the fresh tank with jerry cans). We need to dump the gray every five or six days.

Sometimes, we dump the gray into buckets and dump the gray water into the toilet. It's not very convenient but it extends our boondocking time each week.

I should add that we both shower every evening and are very careful about water usage in general.
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