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I changed the anode rod in my hot water heater, the change went smoothly (thankfully), but now I'm curious how long does it typically take for the water to stop smelling? Do I have to drain the entire tank, or do I just let chemistry do its thing?

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You should have flushed the tank , this should be done once a year with a check on the anode and you may get 2x normal life or that has been my experience in the past. Also purge as much of the air out as you can and make sure the temp is high enough to kill bad stuff. -140 F is my minimum. But you can still flush it without taking the rod out.

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  • Thanks! I only changed the rod today, so it hasn't been sitting for very long with the new one. I'll go flush the tank now. – Vandel212 Apr 28 at 23:14
  • Flushing and getting it hot it should not smell any longer. – Ed Beal Apr 28 at 23:39

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