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Hot Water Smells Like Rotten Eggs

Why does my hot water smell like sulfur or rotten eggs? Here's what causes it, how it's fixed, and when to call a pro.

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That rotten-egg sulfur smell comes from bacteria reacting with the anode rod. Flushing the tank and replacing the standard anode rod with a powered or aluminum-zinc rod typically eliminates the odor for good. We handle the whole fix.

Common Causes

Flushing the tank and replacing the standard anode rod with a powered or aluminum-zinc rod typically eliminates the odor for good. We handle the whole fix.

How We Fix It

Our licensed technicians run a full diagnostic to find the true root cause—not just the symptom. We carry common parts on the truck, so most repairs are completed in a single visit. You'll get a flat, upfront price before any work begins.

Dealing with hot water smells like rotten eggs right now? Call 973-834-8833 for same-day water heater repair across Northern NJ.

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Good to Know

Hot Water Smells Like Rotten Eggs — FAQs

Why does my hot water smell like sulfur or rotten eggs?

That rotten-egg sulfur smell comes from bacteria reacting with the anode rod. Flushing the tank and replacing the standard anode rod with a powered or aluminum-zinc rod typically eliminates the odor for good. We handle the whole fix.

Can I fix this myself?

Some basic checks (like resetting a breaker) are safe, but most water heater repairs involve gas, electricity, or water under pressure and should be handled by a licensed pro for safety and code compliance.

How much will the repair cost?

It depends on the part and labor involved. We provide a flat, upfront price after diagnosis—and free estimates.

Should I repair or replace?

If your unit is under 8–10 years old, repair usually makes sense. If it's older or the tank itself is failing, replacement may be smarter. We give honest advice.

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