[Shop-talk] Chemical rust remover?

[Elton E. (Tony) Clark]

*I bought at our local Home Depot:*
*a Klean Strip product:*
*"Phosphoric Prep & Etch" which is sold for rust removal and concrete
etching.  $13.00 a gallon.*
*If I remove the surface rust mechanically, it has been a permanent rust
stabilizing prep before priming and painting.  That is including pits and
small craters.  Someone clever explained that the acid converts oxides to
phosphates which are stable and over the years, it's worked well for me.*



On Wed, Sep 17, 2008 at 5:55 PM, cornerexit <cornerexit at gmail.com> wrote:

> I'm refurbing an older woodstove that has some rust on the outer skin. I've
> used a knotted wire brush on a 4" grinder to get most of it off but there
> is
> still some present in the small craters. I was wondering if there is any
> sort of chemical rust remover that would clean the rest of it up before I
> paint it? Preferably something that can be purchased at a retail store vs.
> online.
>
>
>
> Thanks
>
> Wayne
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