Pool Tool Inline Anti Electrolysis Corrosion Zinc Anode | 104C-2The Pool Tool 104C 2 Inline Zinc Anode provides system wide corrosion mitigation by installing directly into a two inch plumbing line, allowing the sacrificial zinc core to intercept stray electrical currents before they damage metal components. The inline configuration protects heaters, exchangers, rails, lights, and salt system parts from galvanic activity that can accelerate wear. A replaceable zinc insert enables quick servicing without altering