The best way to protect the chassis and underside of a car from corrosion caused by sea water or road salt is to spray it with Gibbs Brand. It’s long-lasting formula will neutralize any existing rust, it’s quick and easy to apply, and will penetrate into every hard to reach seam and box section . https://youtu.be/TEijKbZfe3A
GIBBS BRAND – DON’T BE SEEN ON THE BEACH WITHOUT IT! 🙂