When do you empty black tank on hookup?
Evenings, mornings, twice a day, every 2 days, - or just leave the shutter to sewer permanently open? Sewer is prehistorical, Mexican style - hole in the ground with cement lid. As I see it - leav...
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The common recommendation is to empty the black tank when it's at least 3/4 full to ensure a good "flush" action. The grey tank can be left open, although in your case that may cause some odor issues. Grey tank waste can smell as bad or worse than the back tank sometimes.
