Camco 11553 Magnesium Anode Rod

 

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Heating elements are normally used in electric water heaters that also have a sacrificial magnesium anode such as this installed. The anode's sole purpose is to oxidize first, thereby protecting the heating element base from rusting. Brewing kettles do not have an anode so make sure you do not leave water in the kettle for a prolonged period of time. Leaving water in during a typical brewing period is not an issue. In fact, a protective coating will form on the element base in the Boil Kettle after a few uses. It's more of an issue in the Hot Liquor Tank if you leave water standing for extended periods. This may be exacerbated if you have hard water. Some brewers will install a sacrificial magnesium anode in the side of their kettle to combat this issue. See this forum thread for some example installations and instructions. We do not use sacrificial anodes on our setup.

 

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