What is the Best Rust Preventative? - 6 Month Update

Half a year has already passed us by and it's time to look at our rust preventative samples yet again. We're starting to get a pretty clear picture of how these different sprays hold up to the elements. Here are affiliate links to each of the products being tested:
Cosmoline: amzn.to/3Vc4yCW
Boeshield T-9: amzn.to/3j1Y4cr
SP-400 from CRC: amzn.to/3j3mgew
Sprayon LU 710 (pack of 12): amzn.to/3uYNohJ
Loctite PC 9660: amzn.to/3PAbLf4
LPS 3: amzn.to/3FvRVgk
WD-40 Corrosion Inhibitor: amzn.to/3HMwmuS
Original WD-40 in a 55 gallon drum: amzn.to/3W9Wjc2
Fluid Film: amzn.to/4058edA
Still reading the description? Leave a comment about the worst rust you've ever seen on a vehicle. For me, I had a 1990 Ford Ranger that lost significant amount of mass every time I hit a bump. That's nothing compared to the guy I know whose Chevy S10 frame rusted in half. Couldn't happen to a nicer guy.
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