Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ

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Stopping copper pipe corrosion with zinc anodes

Can I use a zinc sacrificial anode to inhibit the corrosion of underground copper cold water piping ? If so where do I locate the anodes ?

Robert Rech
homeowner - Venice, FL, USA
2004

It may not be at all practical, but from a theoretical standpoint it will certainly work. The anodes need to be in ground at least as wet as the ground the copper is in, and close enough to it that current can flow through the wet ground.

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
2004

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