Quote Originally Posted by Fossil View Post
I don't believe there are example of failed plating posted here, but perhaps I missed them. There are many examples of corrosion from anodized aluminium - but anyone who has owned a motorcycle will be well aware that anodizing doesn't last very long when exposed to water.
You can't compare the anodized alu from a motorcycle to a waterblock. The water that the motorcycle alu will face is acid and often salty. This, of course helps the water to destroy the anodize.

In a watercooled loop you also have these additives that hopefully will stop corrosion and such.