Best Car Undercoating? Let’s find out! Is Flex Seal the Best Rust & Salt Protection?

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Flex Seal, WD-40 Specialist Long Term Corrosion Inhibitor, Fluid Film, Corrosion X HD, CRC Heavy Duty Corrosion Inhibitor, Corrosion Block, and used motor oil tested as car / vehicle undercoating for resistance to rock chips and corrosion (oxidation / rust). Various deicing products, such as salt brine, are used on roads to make them safe for driving, but these products cause corrosion. Hope this video helps you select a product that’s best for your circumstances. I purchased all of the products with the generous support from Patreon supporters.

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➡ An easy way to find past videos along with products tested: A big thanks to Jim for putting this together.
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➡ Products Tested In This Video (in no particular order):
Fluid Film: K
CRC HD Corrosion Inhibitor: D
Corrosion Block: W
WD40 Specialist Long Term Corrosion Inhibitor: 1
Corrosion X: 4
Flex Seal: J

Videography Equipment:
Sony DSC-RX10 III Cyber-shot Digital Still Camera: w
Canon 70D Camera: 0
Azden Microphone: E
Go Pro Bundle: e

This video is only for entertainment purposes. If you rely on the information portrayed in this video, you assume the responsibility for the results. Project Farm LLC

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