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Using Oven Cleaner to Clean Cast Iron

Updated February 21, 2017

Cast iron, especially cast-iron cookware, has a tendency to get dirty. Whether it's a cast-iron grill, grate, skillet or pan, burnt-on food can seem impossible to remove. Of course, if not properly maintained, cast iron can also easily rust. You need not, however, consider discarding the cast iron. With a bit of scrubbing, ingenuity and a few common cleaning supplies, you can rejuvenate your cast-iron piece.

Put on your rubber gloves, gather the cast-iron pieces you wish to clean and find a well-ventilated area in which to work. Oven cleaner fumes can become overwhelming if you’re not careful.

Coat the cast iron in oven cleaner, spraying it thoroughly. Try not to get it on your skin or breathe in the fumes.

Place the cast iron into a plastic trash bag and tightly tie the bag shut. If you wish, you can use a plastic tie or rubber band to seal the bag. The plastic should be airtight to prolong the cleaning action.

Lift the plastic bag carefully, so as not to rip it, and set it in a safe place. Allow the cast iron to soak in the oven cleaner for about two days.

Remove the cast iron while wearing your protective gloves, and move to the sink.

Scrub the cast iron under water using a scouring pad. Mix in a small amount of dish detergent, just enough to create suds. If the cast iron is still rusty or extremely dirty, use a wire brush to scrub. Continue until you’re satisfied with the results.

Dry the cast iron immediately with towels. Do not allow the cast iron to soak or remain wet, as it will cause rusting.

Use a clean towel to apply a light coat of vegetable oil on the cast iron, especially if you will be storing it. This will help prevent rust.

Things You'll Need

  • Can of oven cleaner
  • Mild dish detergent
  • Vegetable oil
  • Towels
  • Wire brush
  • Scouring pad
  • Plastic trash bag
  • Rubber gloves
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About the Author

Arthur Barnhouse has written numerous short stories, contributed content to various websites and was an invited speaker at a university symposium on creative writing. He began writing in 2002 and holds a Bachelor of Arts in English literature from the University of Pittsburgh. Barnhouse has driven across the United States numerous times and draws upon his travel experiences in his writing.