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Water Softening/Conditioning

Hot topic: Softened water and hot water tank anode rods

October 13, 2010
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Posted By Chris Kofer on 10/10/2005 at 2:23:38 PM

While trying to learn more about anode rods and water quality I stumbled upon an interesting claim.

“And remember that water softeners use up anode rods. If the water is softened, check the anodes more frequently.”

I really don’t know if this is valid. Any thoughts?

RE: Softened water and hot water tank anode rods: Mark Joachim: 10/10/2005 5:11:40 PM

The only time I remove the rod, is if there is an odor in the water. Sometimes it takes weeks, months or years for the smell to arise. But then again, sometimes it’s the next day after the water softener installation.

The water in my area, northern Indiana, may be different from other parts of the US, and maybe you have other minerals in the water that we do not have. It works in my area and tanks are still out there 10, 15 years after the removal of the rod.

Try to get that life span out of a water heater on hard water around here, [and it] doesn’t happen.

Some suppliers of the water heaters have suggested to me to install a feeder to inject chlorine into the water heater. On the outlet side install a hot water housing with carbon to remove the chlorine before service. Rightttttt, like the customer is going to keep up on the service! Let’s not forget the cost of the feeder, etc...

If the water heater does not give 10-15 years of service with a good water treatment system, then buy a different water heater next time.

RE: Softened water and hot water tank anode rods: Gary Schreiber, CWS VI: 10/11/2005 2:57:28 AM

Keep in mind that the site making the claim is a water heater manufacturer. Softening the water extends water heater life, as Mark knows and has suggested. I agree.

It’s kind of like the septic tank folks putting the blame on water softener effluent for septic system failure. Not good science.

RE: Softened water and hot water tank anode rods: Chris Kofer: 10/11/2005 7:48:10 AM

Now if a rod is sacrificial, why is there so much junk on it when we remove one? I would expect just to find less rod material.

I’m really trying to sort through the anecdotal aspects of this chemistry.

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