I. DESCRIPTION OF THE SYSTEM:The purpose of the cathodic protection system is to prevent corrosion on the submerged metallic surface. This is accomplished by a passage of D.C. current from sacrificial zinc and/or aluminum anodes, which are submerged

Have you every heard your diver say" Hey boss, your zincs need to be replaced again" after you had him replace them a month or so ago. There are many reasons why this could be happening, but let's start with the most common problem, the marinas groun