Septic odor coming up tub drain
Posted by Lisa on March 11, 2002 at 19:37:28:

Really stinky septic odor comes up through my tub drain and overflow, (as well as behind the tub where there is exposed plumbing). I live on a concrete slab and my septic is in working order. There are no odors from any other drain in my home, just the tub. It is year round, but sometimes it is worse then others, (often in winter and spring), and almost always happens during and after a bath or shower. My theory is that there may not be a working p-trap on the tub or that the trap may not be vented. Any suggestions?

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