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Disinfecting water lines

klr650goldwing
Explorer
Explorer
Are there issues using a fresh water source and a fresh water hose to flush the black tank in a Solitude 369RL? Do we need to be concerned about any bacteria going from the black tank itself up to the connection point of the garden hose that we use? We don't really want to do this at a dump station.
2014 Grand Design Solitude 369RL
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18 REPLIES 18

Lwiddis
Explorer II
Explorer II
I too would not use my (white) freshwater hose for anything except filling the fresh water tank or “city” water.
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colliehauler
Explorer III
Explorer III
I use a white drinking water hose for fresh water and a black hose for the sewer.

MFL
Nomad II
Nomad II
The black tank flush line has a back flow device just for this reason. I would still not use my fresh water hose to connect, but that's just me. I'm sure others do.

Jerry

laknox
Nomad
Nomad
klr650goldwing wrote:
Are there issues using a fresh water source and a fresh water hose to flush the black tank in a Solitude 369RL? Do we need to be concerned about any bacteria going from the black tank itself up to the connection point of the garden hose that we use? We don't really want to do this at a dump station.


Most people, me included, use a standard white hose for fresh water, then have a separate hose for the black flush. IIRC, there's a backflow preventer / check valve on the flush line, so almost zero chance of contamination.

Lyle
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