I used Hammerite for all my pythons (black). It is water-based, and smells bad. The surface is not very resistant, but the paint is easy to apply.
Water based? The one I have is called Hammerite Rust Cap and it's holding up well on my boat trailer. Contains xylene, propane acetone and naptha. 1/4 of the can is warnings!
Yuck - this should be the tougher Hammerite ;-) Here, only water based one is sold.
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