I would prefer NOT to bite you Jody, as you are the wrong sex jody to be biting IMHO!
I also knew the actual zinc would not work in fresh water, and aluminum was something to be use, but as you and SD point out, that magnesium is the better choice for a "sacrificial anode" in fresh water. Now say that 20 times really fast!
Ok, time to finish qtrlys, the part I hate about owning ones own business!
see you tomorrow Jody, on H dock, about half way to gas pumps