How to Make Metal Rust With Potatoes

I've been working on a project that required me to make some nails and hardware rusty. I wanted to go the easiest route (of course) so I tried the vinegar and salt method which I had used before, but it just wasn't happening fast enough, meanwhile, my husband was chopping potatoes for stew: lightbulb!
The metal started to turn dark immediately and after soaking for about an hour, I took them out and rust began to form.
I let the potatoes oxidize for a while, then dropped them in a vinegar salt mixture.
I used standard nails - not zinc or galvanized
The rust really begins to form once exposed to air.
You can see full direction in the blog post link below - Thanks, Amy

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Amy Ellis @ StowandTellU

Want more details about this and other DIY projects? Check out my blog post!


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4 of 28 comments
  • Rainy Odessy
    on Sep 17, 2015

    fresh apples will rust things fast too i learned this from expressing juice to make hard cider..... anything metal will rust in about two days

    • Amy Ellis @ StowandTellU
      on Oct 2, 2015

      @Rainy Odessy I had no idea that apples would work too. I will be trying your method. Thanks so much for sharing and I'm sorry for the delayed reply~ Amy

  • Iberkeley
    on Oct 4, 2016

    I understand Coke does, too. Never have tried it.

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