Cleaned ACL rust with Oxalic Acid

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Fleetbag

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The cleaning forum might be more appropriate for this but I figured more "ACL" eye's would see it here. I have cleaned oil cans with good success using Oxalic Acid so was very curious to see if it would clean rust off a ACL bottle.I call it rust as I have seen others call it rust, but more likely just a mineral stain?I had already soak this bottle in hot water and sunlight dish soap previously and could not remove the stains or the stubborn clouding on the inside of the bottle. The bottle soaked for 3 hours with light scrubbing using a tooth brush every 30 minutes.I am very impressed with the results, I did notice that the paint in the area where the stain was has lost some gloss. But you can't tell unless looking close and gun sighting it. After I had finished soaking the outside I poured the water/ Oxalic mixture into the bottle. I let it sit for 30 minutes with out scrubbing, just rinsed it and it removed the film from the inside. I have a Sparkling bottle now! Have a look at the before and after pics, also a pic of the bottle soaking.
 

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Fleetbag

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hemihampton

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I've been using oxalic acid since around 1975 (40 years) & it has always worked good for me. LEON.
 

Fleetbag

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I have read some threads on here regarding its use but didn't find any for use on ACL bottles. Hemi have you cleaned any ACL bottles with it?I would love to see some before and after pics if you have any?
 

tsalz14

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What is the ratio you use for the water to acid?
 

LC

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As for the acl labels I used to use a car polishing compound . The name of it escapes me regrettably , it was something with the number 7 in the title . It was a green colored can . I have not been able to find any of it in years . It was great for cleaning up lunch boxes as well . It worked good on the pyro labels as long as they were not deteriorated . if that was the case it would remove the paint . On the pyro labels I would just get a touch of the polishing compound on my finger and GENTLY rub it around on the label , let it dry and then buff it off with a soft cloth , had great success with it . I bought another brand of polishing car compound and it was not worth a nickel .
 

Fleetbag

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3M has a product called Finesse It.Polishing compound used for finessing small dirt particles that sit on top of a full gloss clear coat. Usually applied and worked with very fine sandpaper maybe 2000 grit?I never thought of using this on a ACL label but since I have finesse It I will give it a try. Commonly used in OEM and after market paint repair. You are basically removing a small layer of material to extract the defect. You could likely find some or a similar product at an Auto supply store like NAPA or Carquest. tsalz14 - for this bottle I used approx a 20:1 ratio. 20 parts water to one part Oxalic Acid. First bottle I have done so a learning experience for me. Its possible a weaker mix would do same job perhaps at a slower rate and vice versa.
 

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