Zincs Revisited

[Levitation]

http://boatzincs.com/pdfs/Chart_A-Which ... _I_Use.pdf

Just to stir the pot :mrgreen:

Note that for fiberglass inboards in a saltwater marina the preference is Zinc as the first choice with Aluminum a secondary choice. (footnote #2)

 

[knotflying]

So if one was to be doing the loop than it looks like Aluminum may be a better choice for our boats.