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  • HybVigor commented on sketchglass's instructable Removing Rust with Citric Acid3 months ago
    Removing Rust with Citric Acid

    Great Demo! For small items, using this technique in a ultrasonic cleaner speeds the process dramatically. I place the citric acid solution in a secondary plastic container with your parts and surround that with warm water in the cleaner. Monitor so as to not go too long. This works great for brass parts as well.

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