Community FAQ
What causes a rotten egg smell coming from my home's plumbing?
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That unmistakable sulfur or rotten egg odor usually comes from your water heater. Bacteria can build up inside the tank, especially if temperature is set too low. Try flushing the tank and adjusting the heat. If the smell comes from multiple faucets, call a professional plumber.
Answered by Dylan Brant, Bayshore Plumbing. Based on What’s That Weird Smell? Strange Plumbing Odors and What They Could Mean.