fresh water

Fill fresh water tank. Run water through all lines. Drain and repeat. I’d use some bleach first time...1/4 cup for every 15 gallons and let it sit for a day if you can.

There's not a whole lot of ways to do it. Probably the best is to just add some water, a bit of bleach and go for a nice bumpy drive. Somewhere along the way, open the drain valve and let it all drain out. Repeat this a couple times in a row, then rinse with fresh water to get the chlorine residue out. Fill the tank completely full, and drain it to clean out the chlorine. While you're at it, you might as well run some of that chlorine water through your pipes and sanitize them. Other than this, I don't know of any other way.

Yup, Dutchman, driving around is a good practice.

I’ve only used the city water setting but do have a curiosity question regarding this subject. Is using the hose connection the only way to introduce the bleach?

1/4 cup of household bleach for each 15 gallons of water.
Empty the fresh water tank.
Add about half a tank of fresh water via the city water connection.
Disconnect the fresh water hose at the trailer, and pour the measured bleach into the hose.
Connect the hose and let another gallon or so of water run in.
Drive a few blocks, let the water slosh around.
Open each tap and let it run awhile. Flush the toilet.
Empty the fresh water tank.
Flush city water through the each faucet till the bleach odor is gone.

The way that mine is set up and screened, the only way I could get bleach into the tank would be to cut a 2' piece of garden hose and put a funnel on the cut end.

Super_Dave wrote:
The way that mine is set up and screened, the only way I could get bleach into the tank would be to cut a 2' piece of garden hose and put a funnel on the cut end.

Use the winterizing setup to pull bleach into the lines, same as you'd do for adding anti-freeze.

Lyle

laknox wrote:

Super_Dave wrote:
The way that mine is set up and screened, the only way I could get bleach into the tank would be to cut a 2' piece of garden hose and put a funnel on the cut end.

Use the winterizing setup to pull bleach into the lines, same as you'd do for adding anti-freeze.

Lyle

That would only run the bleach through the lines and not into the fresh water tank that the OP is trying to sanitize or at least that is what mine does.

garden hose and funnel!