Aguila Blanca
Staff
In addition to the small bottle of Ed's Red sold by Brownells, Cylinder & Slide sells a product they call Dunk-It that I'm pretty certain may be Ed's Red. Their instructions say not to soak nickel-plated guns in it because it may attack the copper wash coat beneath the nickel. The formula is proprietary to C&S so there's no way to confirm what it is but, if it's not Ed's Re, I think it's probably close.
http://www.cylinder-slide.com/index.php?app=ccp0&ns=catshow&ref=Dunk
http://www.cylinder-slide.com/index.php?app=ccp0&ns=catshow&ref=Dunk