meester Posted April 19, 2022 Report Share Posted April 19, 2022 @Don Silsbe I'm not an expert in electrochemistry but I play one on TV. I got curious about how galvanization works. I learned somewhere that the corrosion protection in galvanized steel comes from having the zinc coating corrode away before the steel gets attacked. It's the same principle as a bolt-on sacrificial zinc anode, but in coating form. But I also I read on some galvanization vendors' websites that the zinc oxide forms a tight barrier that slows corrosion, which might explain why parts are galvanized after they've been cut and formed. And while I was googling around, I also learned that aluminum sacrificial anodes are available, so maybe aluminum isn't so bad. For practical purposes, it probably doesn't matter. How many times a year is your trailer going to get dipped in salt water anyways? Just hose it off when you get home. Bob Quote Link to comment Share on other sites More sharing options...
Don Silsbe Posted April 19, 2022 Author Report Share Posted April 19, 2022 I’m hoping for 10-12 “dips” per year. Hosing off will work with this trailer. The last was painted tubular steel. No way to hose down the insides of the tubing. Quote Link to comment Share on other sites More sharing options...
Hirilonde Posted April 19, 2022 Report Share Posted April 19, 2022 This isn't practical for many, but I know a couple people who dip their trailer in a fresh water pond on the way home. Quote Link to comment Share on other sites More sharing options...
Steve W Posted April 19, 2022 Report Share Posted April 19, 2022 I have had great luck with this stuff. I spray anything that looks scratched or starting to rust. 2 Quote Link to comment Share on other sites More sharing options...
Chick Ludwig Posted April 20, 2022 Report Share Posted April 20, 2022 I've also used that galvanizing spray with good success. 1 Quote Link to comment Share on other sites More sharing options...
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