this post was submitted on 12 Jun 2024
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AusRenovation
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try dumping water down it. If the house has been empty for a while, the water in the trap may have just evaporated (thus allowing stinky stinky to rise)
This is the right answer. The P-trap (named for the shape, not the substance) dries out and let's gasses pass. If you are feeling extra about it, you can add a capful of bleach the first time to sterilize the inside.
This is literally why The U-trap was invented.