Has anyone heard of this? Is this a gimmick?

http://anchorage.craigslist.org/pts/749872789.html
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I have seen guys with that on pontoon boats and bass boat.
It does work very well but JEEZE! that seems high.

 

Electrolytic rust removal does work, I have done it myself.

Also evaporative coolers use a sacrifical anode to protect against rust in the water tank.

Both techniques require an anode metal that degrades. I don't see where the anode metal would be on a car.

Sound like one of those deals where they take a real technology and missapply it, and claim it works, but provide no good explaination. Like the hydrogen from water scam and others.

For 450 bucks i would think a more info would be required. But there is a sucker born every minute.

 

ask if he will throw in a free bottle of snake oil with that