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Green corrosion could simply be oxidation and not galvanic corrosion. I don't have a scientific position on bonding thru hulls to prevent galvanic corrosion and have seen both. I have not seen clear evidence of either position.
Intuitively, one requires an anode and cathode in an electrolyte to have galvanic corrosion. When a thru hull is exposed to this problem, one would think it needs protection. When not, one would think it doesn't. Still, metals can simply oxidize.
Intuitively, one requires an anode and cathode in an electrolyte to have galvanic corrosion. When a thru hull is exposed to this problem, one would think it needs protection. When not, one would think it doesn't. Still, metals can simply oxidize.
