Re: Phosphoric Acid for rust stripping

[Marcus Tooze <tooze@vinny.cecer.army.mil>]

Oh yes. It's about $3.50 a gallon. It amuses me that these "proper"
rust eaters want up to $6 for a mingy little bottle!!!


 OK. So what concentrations of these chemicals should be used so that I strip 
> rust instead of metal?   I want to make up a tray of this stuff to strip rust 
> from various brackets and like stuff before repainting.
> 
> thanks in advanced for answers.
> 
> Sean Johnson
> '79 MGB
> '75 Spitfire
> 
>