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I remember as a kid, having to replace a piece of ...lead ? on the hull of the boat, dad used to say it would corrode so the other parts in the water wouldn't. Maybe that's a cheaper way to go...or moving somewhere dry. Do any of the boat owners know what I'm speaking of ? Or have the years of partying left a haze on my cerebral cortex...
I spent 15 minutes reading their web site literature. I don't see any explanation for the functional theory. I see claims, but no description of how it functions. Maybe pixie dust...
Those zinc plates they put on boats only work when the boat is in the lake/ocean/water.
I remember as a kid, having to replace a piece of ...lead ? on the hull of the boat, dad used to say it would corrode so the other parts in the water wouldn't. Maybe that's a cheaper way to go...or moving somewhere dry. Do any of the boat owners know what I'm speaking of ? Or have the years of partying left a haze on my cerebral cortex...
Those would have been "Zincs", not lead. Not sure how it would work on a truck since zincs use the water to conduct the voltage needed to work. They corrode faster than other metals and "sacrifice" themselves so other parts of the boat that are connected don't.
Electronic rust-busters have been completely debunked by various consumer groups. Several cans of white Lithium aerosol grease sprayed into door seams, and motor oil drenching everything else, will do more for your truck than this.
The sacrificial anodes (the technical term) put on boats were indeed blocks of zinc that would sacrifice themselves in the presence of iron oxide (rust). As noted, these only work with an electrolyte (water) around them. The principle of sacrifice is why some car body parts are galvanized.
Thanks guys, I knew I remembered doing that...its been a long time though, I now remember dad calling them....zincs. I'm open to ideas for prevention being here in NJ, but luckily we haven't had a winter to speak of...so no salt on the roads gives me another year to coat the underbody to stave off the inevitable rust.
For Boats it is sacrificial anode of sorts. Place a more reactive Metal and due to the difference in Energy Level, it will be corroded first. The Box Appears to be an attempt at cathodic protection, but in this Case a rip Off.
I use Fluid Film. i think some others here do also. i get on a creeper, wear a mask and spray it on with a spray gun. works good, keeps everything looking almost new, and the car wash doesn't take it off. can't use a pump sprayer, it wastes to much. its about 38.00 gal. do all my veh. with it. smells funny though for a day or so. not inside ,just when you walk around it. John Deere has it. guys that plow snow or use salt spreaders like it.
Fluid Film works well for pretty well for protection. I spray it on my plow, electrical connections, and the underside of the truck. You could easily do the underside of two trucks, spraying liberally, using 1 gallon.
Fordguy,
I do it in the fall and its usually good for the winter, unless you have to wash it 50 times to get the salt off. You can tell by looking at it. If it still looks like its a little oily or wet its good. Just clean as best you can and make sure its totally dry. It migrates into cracks and crevaces, even into the porus surfaces where surface rust has already started. Thats the best thing about it. Its easy to do and really hangs on.
Jim.