[Milsurplus] Advice on rust remover

[sbjohnston at aol.com]

Several people have told me they use citric acid (purchased as a powder and dissolved in water) to remove rust.  These restorations involve tools and parts being soaked in the citric acid solution for some hours (overnight perhaps).  
The photo and video results have looked quite good.  I imagine the odor is low or pleasant and the toxicity is nil.   Cost seems low too:
https://www.amazon.com/s?k=citric+acid+powder
https://www.youtube.com/results?search_query=citric+acid+rust

Steve WD8DAS   

sbjohnston at aol.com   
http://www.wd8das.net/   http://af4k-crystals.com/   

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