They were sacrificial anodes, and I hope the new ones still are :-)
I have no knowlage of how the existing paint scheme was applied so the fault could lie there, it just seemed odd that the blistering was localised around the Anodes.
This is even more puzzling as the old Anodes were Zinc but the...
I have come across localised paint blistering around bare anodes.
It could be nothing to do with proximity (can't find any data) but this may explain (or rather NOT explain) why you do it. :-)
Never Assume, you make an Ass out of U and Me
I have come across the same result as mshimco on a steel hulled boat that was using Zinc Anodes in Brackish Water.
The Anodes were white and crusted (should be metalic looking due to erosion) and the paint system had blisters around the location of the anodes but the steel under the blisters was...
This could now be a defunct post but I have only just found , this site (very impressed by the way) and thought... what the heck. Looked at your site link and yes, can see the vandalism problem (along with driver error (I thought it was MY Parking space)) so the cheaper and simpler the moving...
