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To, EdStainless (Materials) Thanks for the info. Is it possible that a bare steel of the ship's hull due to paint degradation can dissolve and protect the other regions of the hull as the potential difference between the two will be very small and hence the driving voltage with warm regards...

To LittlEInch Thanks for the info. However in our case the steel is protected even after 25 days of switching off ICCP and after a short sailing of the ship as well.

Dear All, In one of our ships, heavy calcareous deposit was found in the gap between the propeller shaft and the bearings. After a series of efforts failed to solve the problem, the entire ICCP system was shut down in order to rule out the possibilty- whether excessive cathodic protection viz...