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Sulfur smell from hot water faucet

Posted on 7/28/22 at 10:09 am
Posted by PeteRose
Hall of Fame
Member since Aug 2014
16919 posts
Posted on 7/28/22 at 10:09 am
What’s the proper way to correct this? Change anode rod or add peroxide to the water heater tank?
Posted by PeteRose
Hall of Fame
Member since Aug 2014
16919 posts
Posted on 7/28/22 at 10:31 am to
Damn anode rod is 4 inches deep inside the water heater.
Posted by bootlegger
Ponchatoula
Member since Dec 2012
5341 posts
Posted on 7/28/22 at 3:35 pm to
I would think the peroxide would only be a temporary solution. Changing the anode is probably what needs to be done. They even have segmented ones that are supposed to make changing in attic a little easier.

When I was having the issue, it was coming from one of the two 50gal electric tanks in my attic (both >20 yrs old). Bit the bullet and went to a tankless gas. Not solely due to the anode, but was definitely worth it.
This post was edited on 7/28/22 at 3:37 pm
Posted by PeteRose
Hall of Fame
Member since Aug 2014
16919 posts
Posted on 7/28/22 at 4:53 pm to
This is for a rental unit so I’ll have to stick with a 40 gal electric. The anode rod was hiding under almost 4 inches of foam. Is there a socket that fits that deep into the water heater?
Posted by deanwelles
EBR Parish Prison
Member since Mar 2008
177 posts
Posted on 7/29/22 at 7:55 am to
Honest question, haven't replaced one... You can't use a socket extension?
Posted by LSU999
Member since Nov 2012
9119 posts
Posted on 7/29/22 at 8:56 am to
If you change it make sure you get the one coated for smelly water. I tried to be cheap and just got the regular one. That lasted a week and a half and started smelling again. I thought it was a gimmick and i was wrong. Lesson learned It was like $65 difference.
Posted by Bionicknee
Northeast of Clinton
Member since Jun 2014
135 posts
Posted on 7/29/22 at 11:17 am to
Had the same problem some years back. 40 gal electric.
Traced problem to to low temp setting. Solution:
turn off water supply drain tank. When empty close drain valve, Disconnect cold water inlet and pout in 1 gal of clorox. Reconnect cold water line and fill tank with water. Open hot water faucet farthest from tank and run until you smell chlorine,close faucet. Do same with all faucets and let sit for 4 hrs. Drain tank, refill with fresh water and flush lines thru faucets. Turn on heat source and set temp at 125f min. This solved my problem. Anode had nothing to do with smell...
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