Your sink drains are also guilty. Food scraps and soap scum build up. Bacteria have a field day. They produce the smell. But only when you run water? Yes! The flow disturbs the gunk and releases the gas.
Here’s a weird fix: pour a cup of baking soda down the drain. Then add a cup of white vinegar. Watch it fizz. It’s a science fair volcano in your kitchen. Let it sit for 15 minutes, then flush with hot water. The smell disappears. Your drain burps, and you win.
Rotten Egg Smell in House? Here's Why and How to Fix It Fast - DIY Home
The Outlet Surprise
Rotten egg smell from an electrical outlet? Don’t ignore it. That’s overheating plastic. It mimics sulfur. It’s rare, but dangerous. If you smell it near a plug, call an electrician immediately.
But don’t panic. Usually, it’s just a dead mouse in the wall. Yes, a dead animal can smell exactly like sulfur. As it dries out, the smell fades. Then it comes back when it rains. Morbid, but true.