Forum Discussion
stickdog
Jul 08, 2019Explorer
Just filling the bowl to the rim every time a flush is necessary will fill your tank quickly. Better to find out how much your bowl holds. I dump when our black tank gets to 80 percent which is 40 gallons of a 50gal tank. After dumping I fill the bowl twice and flush to prime the tank which registers 8 percent or 4 gallons. Anyone doing 2gallon flushes aren't going to be boondocking for long.
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