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How to clean cast iron with coke

Updated February 21, 2017

Cookware, ovens, artwork and fencing are often made of cast iron. Cast iron cookware heats food evenly and adds iron to the food. When cast iron is not coated with oil or wax, it is susceptible to corrosive rust. Clean cast iron cookware that has developed rust before use to avoid transferring rust to food items.

Pour 2 L. of Coke into a bucket, tub or sink.

Let the cast-iron object soak in the Coke for 24 hours.

Rinse the Coke off the cast iron with clean water. Dry the object with a clean cloth.

Apply a light coat of wax or vegetable oil with a clean, dry cloth to protect the cast iron from future rust.

Set your cast-iron object on top of a tarp. It is best to clean your large cast-iron object in a garage or outside, as the cleaning process can get messy.

Pour Coke over the rusty spots of the cast-iron object. Let the Coke sit on the rust for 15 minutes.

Saturate a sponge with Coke and scrub the rusty spots.

If the rust remains, pour more Coke on the cast iron. Wait 15 minutes and scrub again. Repeat this process as often as needed until all of the rust is removed.

Rinse the cast iron with clean water. Dry the object with a clean cloth.

Coat the cast iron with wax or oil to prevent future rust.

Things You'll Need

  • 2 L. Coke
  • Sponge
  • Clean cloth
  • Wax or vegetable oil
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