Every six months we sanitize the pipes and fresh water tank in our coach using diluted bleach.

As part of that process, we run the water though the taps, down the drains, then flush them out with fresh water.

But to get the last of the bleachy water out of the fresh tank, I open the fresh tank drain. But I don’t want to just dump that water on the ground, so I rigged up a temporary pipe and quick-connect to hook up to the sewer pipe via the hose sewer rinse cap: