For the most part this can be done two different ways.
Rv septic cleaning wand.
Just bring a garden hose through a window and attach the rv cleaning wand.
Camco rv flexible swivel stik with shutoff valve creates powerful cleaning action that dislodges and flushes stubborn waste deposits and combats odors 40074 55 1 2 in 4 7 out of 5 stars 2 564 24 04 24.
The wand is made to spray water sideways rather than straight so it will clean the sides of the tank very well.
The black tank can be maintained if you keep the tank clean with an internal tank flush the rv black tank cleaning wand or even filling and emptying the tank with fresh water a few times.
Built in system directions if your rv comes with a built in backwash system most of the time it s as simple as connecting a garden or utility hose to the proper connection and flipping on the propper backwash or pressure.
To use an rv tank cleaning wand you.
Open the flapper of the toilet put the wand down the opening have someone standing outside turn the water.
Then lower the wand through the toilet and spray the inside of the black tank.
Attach a green garden hose to your campsites water spigot connect the backwash wand to the hose pull the wand and hose through a window or door and into your bathroom.
Directions for using a wand.
As i stated in the article we use the cleaning wand which keeps our black tank reading properly.
With built in backwash systems or via an rv tank cleaning wand.