Need to mix liquid that will look like oil or rust.

[Squeetard]

Originally Posted by chubaka

urine and blood

Lol, I just checked my underwear, looks like you have to add feces too.

[matari]

It is the anti corrosive in pre mixes that causes most of the problems. As long as you use high quality dies and feequently clean your gear, then the worst that can happen is staining of your equipment. The guy from mayhem dies is in the process of studying the effects of dies.