The Zinc Anode Weight was designed to stop metal erosion & plaster discoloration due to galvanic corrosion. The Zinc Anode will sacrifice itself & corrode before all other metals in the pool. In doing so, the anode protects other metal parts from galvanic corrosion.
A must for saltwater pools!
Features
Bolts on to any standard skimmer basket
Keeps skimmer basket in place
Bolts permanently inside or outside any skimmer basket