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Which is better for well water: powered or sacrificial anode?

Published October 21, 2025

Our response

For well water, a powered anode rod is the better choice. Sulfur bacteria are more common in well systems, and they react with magnesium or aluminum sacrificial anodes to create that rotten egg smell. A Corro-Protec powered anode doesn’t corrode, so it stops that reaction and protects the tank continuously, regardless of your water chemistry. It also requires no maintenance and lasts much longer than a sacrificial rod.

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