What to Do When Your Sink Smells Like Rotten Eggs

Updated on November 11, 2017
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Joanne Marcinek is a woman with a mission. Her passion is to help people get the relevant information they need on the Internet.

What to Do When Your Sink Stinks

Lots of things can get stuck in the trap of the kitchen or bathroom sinks, and when those things start to decompose, it can make the drain breathe out a horrible rotten-egg smell. Following is an easy, inexpensive, and very effective solution.

All you need is the dynamic duo of organic home cleaning: white vinegar and baking soda.

Dynamic Duo: White Vinegar and Baking Soda
Dynamic Duo: White Vinegar and Baking Soda

Why Baking Soda and Vinegar?

Baking soda is a

White vinegar is about 5% acetic acid. Acids are very reactive in water. They donate protons, which destroys organic molecules. Odor molecules are especially susceptible to being broken.

Simple Sink Deodorizing

Directions:

  • Sprinkle 1 cup of baking soda down the drain
  • Follow that with 1 cup of vinegar
  • The mixture will foam like crazy
  • Finish off with a teapot full of boiling water to wash it all down the drain

Sprinkle in Baking Soda
Sprinkle in Baking Soda

Why Do Baking Soda and Vinegar Foam?

What actually happens is this: the acetic acid (that's what makes vinegar sour) reacts with sodium bicarbonate (a compound that's in baking soda) to form carbonic acid. It's really a double replacement reaction. Carbonic acid is unstable, and it immediately falls apart into carbon dioxide and water (it's a decomposition reaction). The bubbles you see from the reaction come from the carbon dioxide escaping the solution that is left.

Baking Soda and Vinegar react
Baking Soda and Vinegar react

Last step is to pour some boiling water down the drain.

Boiling Water to wash it all down.
Boiling Water to wash it all down.

And that's all there is to it. The combination of the baking soda and vinegar will stop any stinky decomposing that's happening in the sink, and the boiling water makes sure it all gets washed away down the drain.

The effect is immediate, and the smell is completely gone.

If there's any lingering smell, just try the process again.

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    • jpcmc profile image

      JP Carlos 3 years ago from Quezon CIty, Phlippines

      There are so many commercial products out in the market but I really don't like using to much chemicals. This kitchen option will be better for me. plus it's does not have chemicals I can't pronounce. LOL

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