A week of boondocking should be.
Rv gray water tank size.
Class c rv is normally equipped with a fresh water tank of size 35 55 gallons on an average.
For instance even a small casita travel trailer may have a black water tank of 15 or so gallons and a gray water tank of 32 gallons.
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The grey tank holds the dirty water from your rv shower and the kitchen sink.
Larger rvs will obviously have larger holding tanks generally speaking.
The size and sleeping capacity of your rv will often also affect the size of your gray water tank.
The good news is your typical rv holding tank size is actually pretty reasonable.
Depending on the size of your rv or camper your grey water tank will only hold a certain number of gallons of water.
Ideally you should keep the valve closed and allow the tank to fill up before dumping it.
If you re someone who likes to camp for long periods of time in remote or desert public lands you ll need to figure out how to dispose of your grey water or access a dumping spot.
This is the one that tends to scare new rvers.
On average across all rv classes and travel trailer types your gray water tank will have capacity for about 50 gallons with class a and fifth wheel trailers at the higher end of the scale and class b at the lowest end of the scale.
Some used campers and vintage rvs may not have this tank.
On an average a class b rv is normally equipped with a fresh water tank of size 18 40 gallons.
The black tank holds waste water from the toilet.
Just as with your black tanks you want to make sure you regularly empty and drain your rv s grey water tank though it s a good idea to drain it after your black tank all that relatively clean soapy water can flush your sewer hose of the truly icky stuff.
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If your rv does not have a gray tank all dirty water is dispensed into.
The average tank sizes for a sprinter rv are about 30 gallons for freshwater and grey water and 25 gallons for black water though a few class b sprinter rvs have black water tanks as small as 10 gallons.