I have a Rino hose that extends to 15', but my main hose is a Sewer Solution hose. Honestly, for a sewer system, I haven't found anything better. It acts like a macerator, but without any mechanical parts -- works completely on high pressure water. AND it will work on an incline, AND you don't have to worry about which tank to dump first. In fact, I leave the gray tank open all the time & just dump the black when we're ready to leave. The high-pressure water that macerates everything also cleans out the hose once the black tank is empty. I don't use it if I have to dump at a communal dumpsite, because it can take a little more time. Can't beat it, as far as I'm concerned.
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