Originally Posted by blt2ski
Any way, not to contradict him, but I seem to recall reading that, while you need a "zinc" for freshwater, I am recalling the actual "zincs" do not work as well as another metal, I seem to recall aluminum? or maybe that is the material mix that is special made that Jody is remembering.
That's it I am taking the spinnaker position again and seeing how well we can drag it down the hull!
Marty's right - technically - I use the term "zinc" as nomenclature for the anode (its one less syllable)...hence why I stated "fresh water zinc". More or less slang.
To be technically correct: Zinc will not work in fresh water it is purely for salt. Magnesium is the simple answer to your problem with fresh water, although magnesium needs to be removed when going into salt water for long periods.