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Backflow Valve
Anybody use a backflow valve on their "garden hose" to keep it "clean" when using it on the Black Tank Flush?
Lots of videos instructing to use separate hose, not fresh water hose, when attached to Black Tank Flush. If contamination is a major problem, wouldn't a simple backflow valve reduce the risk?
Don't get me wrong, I would use a separate hose, but intend to add a simple backflow valve to keep the garden hose clean too.
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