Which anodes for saltwater? Zinc or magnesium.

[SnookHunter]

I have a 2005 yamaha 25hp 4 stroke and the manual states you should change them every year. Um confused here. There are two kind zinc or magnesium. Which one is the right one for saltwater. Thanks.

 

[rodbolt]

Re: Which anodes for saltwater? Zinc or magnesium.

zinc, but your misreading the manual.