Re: Anode? Do I need one?
All outboards allready have a zinc or anode on them, in the form of a trim tab, exaust port, or other part. It is good for most potentials on a boat it is capable of powering efficiantly. If you were to leave your boat in the water, you would want to have a marine electronics tech,or electrician check the potentials.<br />Basicly, (and I don't pretend to know all the divisions of the subject), but the causes and effects would be seen in corroded metal,like bow light housings, railings, and thru-hull fittings.<br />Bottom line, if you see any pitting begining,you might want to tack on an additional zinc in saltwater, nickle in fresh, on the negative buss of the boat's electrical. What you are doing in essence,is giving it something to eat,while trying not to let it starve. In water, your boat becomes a battery in itself. Just as car batteries and such have plates of dissimular metals,seperated with alkyline or acid liquid, your boat becomes a battery, using the water as it's "alkyline" or "acid"...The metal,whether placed on the hull to be eaten or not, becomes the "plates".