1. The zinc alloy counterweight comes with mounting bolts and is designed for installation inside the pool skimmer basket. 2. Effectively reduces metal oxidation, discoloration, and black spots on pool linings, tiles, and metal fittings caused by electrolysis. 3. The solid zinc block increases downward gravity, firmly securing the skimmer basket within the skimmer chamber. 4. Directly replaces worn-out, severely corroded original zinc anodes without additional tools or modifications. 5. A practical maintenance spare part for residential above-ground and underground swimming pools.
