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.

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

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

I use a white drinking water hose for fresh water and a black hose for the sewer.

I too would not use my (white) freshwater hose for anything except filling the fresh water tank or “city” water.

I use the same hose. Whatever may come up that flushing pipe, and past the backflow preventer, onto the connection (which would be zero), will be flushed away as soon as i turn on the water to flush the tank. But That's Just Me, YOMV.

Disinfecting water lines | Good Sam Community

18 Replies

Bumpyroad
Explorer
Oct 11, 2019
all those toys and you don't want to spring for a $10 hose?
bumpy
wgriswold
Explorer
Oct 11, 2019
For many years I managed a chemistry lab and safety was a priority. The best practice is procedures where an accident cannot occur rather than procedures that depend on people or inanimate objects behaving properly.

So, I always use two hoses one for drinking water and the other for other things.
wildtoad
Explorer II
Oct 11, 2019
I too use separate hoses. While the actual chances of contamination are slim, I’d rather not recycle what I already put down the black tank. ;-)
wing_zealot
Explorer
Oct 11, 2019
I use the same hose. Whatever may come up that flushing pipe, and past the backflow preventer, onto the connection (which would be zero), will be flushed away as soon as i turn on the water to flush the tank. But That's Just Me, YOMV.
Lwiddis
Explorer II
Oct 11, 2019
I too would not use my (white) freshwater hose for anything except filling the fresh water tank or “city” water.
colliehauler
Explorer III
Oct 11, 2019
I use a white drinking water hose for fresh water and a black hose for the sewer.
MFL
Nomad II
Oct 11, 2019
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
Oct 11, 2019
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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Disinfecting water lines

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