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    Dec 10, 2019 4 minutes

    PERSISTENT GALVANIC CORRSION

    : We have a 37ft sailboat and have been experiencing persistent galvanic corrosion for several years. We have added a galvanic isolator, sandblasted the lead keel and applied seven coats of InterProtect; we have tested the marina water with a silver/silver chloride tester, paid a marine electrician for several days to test for ground faults (he submitted a detailed summary declaring no detected problems in the earth grounds or the bonding system), and recently had the boat lifted out mid-season (six weeks in Lake Erie at a different marina to eliminate possible “hot water”) to see if we were still experiencing the corrosive activity. The photos I’m including show the extent so far this

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