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Treehouser's avatar
Treehouser
Explorer
Sep 05, 2015

Bathroom smell ... no, not that.

We've got a strange smell in the bathroom of our new-to-us 2000-year truck camper; I've searched the archives and can't find anyone complaining of quite what we've got, perhaps someone's got some ideas....

First of all, it's a smell that builds up in the bathroom. When you first open the door after it's been closed for a while, the smell is there -- it can be aired out, but returns and increases in intensity over time. I'd describe the smell as "chemical", if that sparks any thoughts for anyone.

Second, it's not a "waste" smell. It's not sour like urine or horrid like feces. I recently rinsed the living heck out of both gray and black tanks, and can confirm there is a markedly different smell that comes from the black tank while that flush valve is open ... and the smell from the gray tanks while draining was different than our culprit smell as well.

I had a notion it might be antifreeze or some such left in the shower or bathroom sink drain traps from the previous owner, and ran a bunch of water through them. The smell returned after I'd left the bathroom door closed for about an hour.

The bath is clean -- well scrubbed. The shower drain drains well enough. The toilet holds water in the bowl when the valve is closed, and the seal around the base looks solid.

I'm all out of ideas. Anyone?

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