Cleaning Valve Covers with Evapo-Rust

[Getter-Done]

Originally Posted by HO455

They came out nice! I assume it's some kind of acid?

How do you neutralize it and prep the part for paint?

Here is the website.

Link: https://www.evapo-rust.com/

It is not a toxic acid.
It is PH neutral.
It is safe and water soluble.

I rinse it with water then dry it with compressed air.
Then I sprayed it with WD-40.
I will prep it with brake cleaner before I paint it.