Anti-Electrolysis Pool Light Zinc Anode

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The Anti-Electrolysis Pool Light Wedge Zinc Anode was designed to stop metal erosion and plaster discoloration due to galvanic corrosion. This zinc anode helps protect pool lights from damage due to galvanic corrosion. It also prevents black stain around the light and errosion of the stainess steel light and niche.The Zinc Anode will sacrifice itself and corrode before all other metals in the pool. In doing so, the anode protects other metal parts from galvanic corrosion. A must have for salt water pools. Show more