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Fixing rust on a vintage Griswold cast iron skillet requires careful cleaning and re-seasoning to restore its cooking surface and prevent further corrosion. Here's a step-by-step guide to help you remove rust and bring back the skillet's functionality:

Materials you'll need:

  1. Steel wool or a wire brush (make sure it's not too abrasive)
  2. Mild dish soap
  3. Water
  4. White vinegar or lemon juice
  5. Baking soda
  6. Clean towels or paper towels
  7. Vegetable oil or flaxseed oil (for re-seasoning)

Step-by-step process:

  1. Safety first: Work in a well-ventilated area and wear gloves and safety goggles to protect your hands and eyes.

  2. Remove any loose rust: Use a steel wool or a wire brush to gently scrub the skillet's surface and remove any loose rust. Be gentle to avoid damaging the cast iron.

  3. Create a rust-removal solution: Mix equal parts of white vinegar (or lemon juice) and water in a container large enough to submerge the skillet. Alternatively, you can make a paste using baking soda and water.

  4. Soak the skillet: Submerge the skillet in the vinegar-water solution or apply the baking soda paste to the rusted areas. Let it soak for several hours or overnight. This acidic solution will help dissolve the rust.

  5. Scrub again: After soaking, use the steel wool or wire brush again to scrub the rusted areas. You can also use a sponge or scrubber for this step.

  6. Rinse and dry thoroughly: Rinse the skillet thoroughly with water to remove any remaining vinegar, lemon juice, or baking soda. Dry the skillet completely with a towel to prevent further rusting.

  7. Re-season the skillet: Since the rust removal process may have stripped some of the seasoning, it's crucial to re-season the skillet to protect it from future rusting. Apply a thin layer of vegetable oil or flaxseed oil to the entire skillet, inside and out.

  8. Bake the skillet: Place the skillet upside down on the top rack of your oven, with a foil-lined tray or foil underneath to catch any drips. Bake the skillet at around 350-400°F (175-200°C) for about an hour. This process will polymerize the oil and create a new non-stick layer.

  9. Cool and repeat seasoning (optional): Allow the skillet to cool in the oven, and then repeat the seasoning process (applying oil and baking) several times if necessary to build up a strong seasoning layer.

Remember, maintaining the seasoning on your cast iron skillet is essential to prevent rust and maintain its non-stick properties. After each use, clean the skillet with minimal soap, dry it thoroughly, and apply a thin layer of oil before storing it. Regular use and proper care will help keep your vintage Griswold cast iron skillet in excellent condition for many years to come.

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