A zinc anode is a critical part to have with your salt water system. This one happens to be placed in the skimmer, there are also solutions for plumbing it directly into the system.
Ask the Pool Guy and the Zinc Anode in a Pool
A zinc anode is a critical part to have with your salt water system. This one happens to be placed in the skimmer, there are also solutions for plumbing it directly into the system.