especially if you use a rust-inhibiting primer. Apply the primer with a brush or spray it from a can. Don't limit the primer to bare metal only; any areas that are rusty will benefit. You can ...

Once set, the coating acts as a primer ... and scratches on metal surfaces right away for even better results. Read the Warnings: Don’t skip the warning label on the rust inhibitor you ...

That way, there's no further rusting from the acid because the acid does attack the metal ... all the rust is removed, our third step, and our third chemical, is our water-based rust inhibitor.