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From: "Jim Wilkins" <muratlanne@gmail.com>
Newsgroups: rec.crafts.metalworking,alt.survival
Subject: Re: Derusting muzzle loader bore
Date: Sat, 9 Oct 2021 07:30:32 -0400
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"Snag"  wrote in message news:sjr5it$hmk$1@dont-email.me... 

On 10/8/2021 11:14 PM, Clifford Heath wrote:
> On 9/10/21 10:25 am, Snag wrote:
>>    I believe the 2 top contenders for derusting are phosphoric acid 
>> and Evaporust . I'm wondering which will be best in this situation
> Citric acid is great for heavier derusting. The converted iron citrate 
> is easier to remove from the surface than iron phosphate. Phosphoric 
> acid is better for light rust when you intend to paint over it 
> afterwards, as the iron phosphate is stable and won't loosen.

   I think we have a bottle of powdered CA on the shelf ... we use it 
when we can tomatoes !

Snag
  Let's Go Brandon !

--------------------------

How about electrolytic derusting??