Unlike modern teflon-coated aluminum cookware, cast iron can rust if it's exposed to water. Luckily, removing this rust usually isn't extremely difficult. With a mild abrasive and a little elbow grease, it's not hard to de-rust most cast iron pans and prepare them for a protective re-seasoning.
To remove rust from a cast iron skillet, start by sprinkling a small amount of baking soda and water on the pan. Then, use a rag to scour away the rusty spots. You can also use a paste of salt and water to scrub away the rust. Once the rust is gone, rinse and thoroughly dry the pan with a paper towel. Did this summary help you?
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Learn why people trust wikiHow. Download Article Explore this Article methods. Tips and Warnings. Related Articles. Article Summary. Method 1. All rights reserved. This image may not be used by other entities without the express written consent of wikiHow, Inc. Scrub the rust with an abrasive pad. If you have either, a fine piece of steel wool or a copper pad work well for removing rust.
Brillo, SOS, etc. If the rust is stubborn, add a little water and some mild dish-washing soap as you scrub. Normally, it's a bad idea to try to clean a cast iron pan the same way you'd clean other metal cookware, since this can remove the protective layer of seasoning. However, if your pan has rust, this has already occurred, so it's best to clean the rust from the pan and re-season later.
For mild rust, try scrubbing with baking soda. If the rust appears to be thin and light, you can often get away with using mild abrasives you probably already have in your kitchen. For example, to use baking soda as an abrasive, sprinkle a small amount onto the surface of the pan along with some water. Stir the baking soda with the water to make a rough paste, then use a rag to scrub the paste into the rusty spots of the pan. Once you've scrubbed the rusty areas, let the paste sit for a few minutes, then rinse it off with tap water.
If any rust remains, repeat as needed or switch to a different abrasive. Make a salt scrub. Another easy DIY abrasive uses salt and water. This method works almost exactly like the baking soda one above: make a rough paste of salt and water in the pan, then scrub it into the rusty spots with a rag.
Because the salt crystals are a little larger and rougher than particles of baking soda, the paste will be slightly more abrasive.
However, salt is still considered fairly gentle. For bad rust, use a heavy-duty cleaner. In some cases, simple abrasives won't remove rust on their own. In these cases, harsher chemical cleaners can help. HCl completely dissolves rust into a wet powder. In this state, it can easily be removed — consult the product's packaging for disposal instructions. We can help. First, calm down. Grab a dry dishcloth. Apply a small amount of canola oil and rub it into the rust-covered spots.
The rust should disappear. If this fails you, go for the steel wool and rub until the rust is removed. This is because every time you use your skillet, you will wear down some of that seasoned coating. So remember to season it again whenever you see dull spots or do a quick season whenever you're baking or have your oven on. However, the more you use your cast iron cookware, the better it performs. You do need to use it often enough so that it will darken and grow shinier.
You can remedy this easily. To remove it, you can simply wash with some mild soap or even scrub it with steel wool. Just be sure to wash and re-season before you use it again. Cast-iron performs best when heated gradually, so give it a few minutes to pre-heat before adding your food so that there is less sticking. Don't forget that your cast iron pan is a really good heat conductor. So start by heating up your pan using a lower heat setting. A tell-tale sign of overheating is when it starts to smoke.
So to avoid the risk of burning your food, which would only result in residue on your pan, turn off the heat for a bit if it gets too hot before going back to cooking. It is a myth that cooking with acidic foods would cause discolouration of your cast iron pan. A baking soda scrub would get rid of any discolouring. Sign up to join this community.
The best answers are voted up and rise to the top. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Learn more. New cast iron skillet came out rusty after seasoning Ask Question. Asked 3 years, 11 months ago. Active 2 years, 10 months ago. Viewed 16k times. I think I managed to get it rusty within the first day of owning it pictures below!
Improve this question. David David 41 1 1 gold badge 1 1 silver badge 3 3 bronze badges. It's probably not rust but burnt oil; and deg. C reported by your oven's thermometer might be too low. Is it possible you used unrefined sunflower oil that has a smoke point of c or that your oven is not properly calibrated and it got above c — mroll. It's possible that the oven was badly calibrated- I have not tried cooking anything in it yet.
I don't think the oil would be unrefined, it's standard off the shelf supermarket olive oil. So is my best option to add an extra coat of seasoning all around, and bake at a lower temperature? Do I need to remove the burnt oil? Add a comment.
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