Rusty metal cure...
Lead Driver
Joined: Aug 2006
Posts: 8,096
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From: Brentwood, TN
I like Trev's Blog...he is a very skilled metalman. Citric acid is what is found in many soft drinks, it is what makes the soda deruster technique work as well. I wouldn't be too concerned about hydrogen embrittlement at the levels and times he is using for this light rust removal.
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Tuned
Joined: Aug 2019
Posts: 396
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I like Trev's Blog...he is a very skilled metalman. Citric acid is what is found in many soft drinks, it is what makes the soda deruster technique work as well. I wouldn't be too concerned about hydrogen embrittlement at the levels and times he is using for this light rust removal.
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Joined: Oct 2005
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From: northwestern Ontario
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Tuned
Joined: Aug 2019
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Junior User
Joined: Oct 2015
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I have an electrolysis tank I made that I hook to my battery charger for rusty stuff like old tools, vises, etc. Works great initially then with Evapo-rust treatments after out of the tank. I'll have to try this too.
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Tuned
Joined: Nov 2017
Posts: 303
Likes: 44
From: Cicero, IN
Another tip is to use the citric acid and water, but heat it in an old Crock Pot. (Go to Good Will, not your wife's stuff.) A few hours on high with the citric acid solution leaves a black film that is easily washed off.
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