
Proven: How to Get Rust Out of Instant Pot in 2026
Immediate Action (first 5 minutes)
Spotting orange flakes in your soup is a nightmare. I remember pulling a batch of chili out of my 6-quart Instant Pot Duo and seeing rusty streaks on the lid rim. Don't panic. First, unplug the base immediately. Water and electricity are a deadly mix, so keep the main heating unit far away from the sink. Next, remove the inner stainless steel pot and the silicone sealing ring. If the rust is on the inner pot, rinse it with warm water at exactly 100°F to stop any acidic food from eating deeper into the metal. Grab a dry microfiber cloth and wipe away loose rust particles. Never use steel wool right out of the gate. It scratches the protective chromium oxide layer, making future rusting ten times worse. If you have kids who track mud everywhere and you're rushing to clean up, take a deep breath. This fix takes less than twenty minutes and saves your dinner.
What You'll Need (tools/products)
I've tested dozens of cleaners on my own kitchen appliances over the last eight years. You don't need expensive chemical strippers. Most of these items are probably sitting under your sink right now. I recommend this specific lineup because it balances cost and effectiveness perfectly. Gather these supplies before you start scrubbing.
- Bar Keepers Friend Soft Cleanser ($4-$6 for a 13 oz bottle). This is the holy grail for stainless steel.
- White vinegar (Heinz or generic, 5% acidity).
- Baking soda (Arm & Hammer, standard yellow box).
- Non-scratch scrub sponges (Scrub Daddy or Scotch-Brite Non-Scratch).
- Microfiber towels (Pack of 12, roughly $15 on Amazon).
- Soft-bristle toothbrush (for the lid crevices).
| Product | Best For | Price Range |
|---|---|---|
| Bar Keepers Friend | Heavy pitting and stubborn stains | $4 - $6 |
| White Vinegar | Light surface rust and mineral buildup | $2 - $4 |
| Baking Soda | Gentle abrasion and odor removal | $1 - $3 |
Step-by-Step Removal
Focus your energy on the inner pot and the lid rim. These are the areas that see the most moisture and acidic food exposure. Follow this exact sequence for the best results.
Step 1: The Vinegar Soak
Fill the rusted inner pot with equal parts white vinegar and water. If the rust is near the top rim, just soak a paper towel in pure vinegar and press it against the metal. Let it sit for exactly 15 minutes. The acetic acid breaks down the iron oxide without harming the underlying steel. Don't let it sit for hours, as prolonged acid exposure can actually etch the metal.
Step 2: The Baking Soda Paste
Dump the vinegar out. Sprinkle a generous layer of baking soda over the damp rust spots. Add just enough water to form a thick paste. I like the consistency of wet beach sand. Let this sit for 10 minutes to lift the remaining oxidation.
Step 3: The Scrub
Take your Scrub Daddy sponge (dampened in warm water) and scrub in circular motions. Apply moderate pressure. You'll see the paste turn brown or orange. That's the rust lifting. Spend about 3 to 5 minutes scrubbing the affected areas. Rinse the pot briefly to check your progress.
Step 4: The Bar Keepers Friend Polish
If stubborn spots remain, apply a dime-sized drop of Bar Keepers Friend Soft Cleanser directly to the stain. Rub it in with a microfiber cloth for 60 seconds. This product contains oxalic acid, which chemically dissolves rust at a molecular level. It's magic. Wipe it clean with a damp cloth.
Step 5: The Lid and Valve Detail
Rust loves to hide in the lid's anti-block shield and the steam release valve. Dip a soft-bristle toothbrush in your baking soda paste. Scrub the tiny crevices gently. Rinse the lid under warm running water at 110°F to flush out any gritty residue. Make sure the steam pipe is completely clear.
Step 6: Final Rinse and Dry
Wash the pot with standard dish soap like Dawn Ultra to remove any cleaning agents. Rinse thoroughly. Dry it immediately with a clean microfiber towel. Air drying leaves water spots that can trigger new rust. When your landlord inspects next week and you need the kitchen looking spotless, this method saves your security deposit.
Alternative Methods
Sometimes you don't have the right supplies on hand. I've used these backup methods when I'm in a pinch. They work well, though they might require a bit more effort.
Method 1: Citric Acid Powder
I use this when I'm descaling my coffee maker and decide to tackle the Instant Pot too. Dissolve 2 tablespoons of food-grade citric acid in 1 cup of hot water (around 140°F). Pour it over the rust spots. Let it bubble for 20 minutes. Wipe it away with a damp cloth. This isn't the cheapest option, but it works incredibly well on severe corrosion.
Method 2: Cream of Tartar
Mix cream of tartar with a few drops of hydrogen peroxide to form a sticky paste. Smear it onto the rusted lid rim. Leave it alone for 30 minutes. The peroxide acts as a mild bleaching agent while the tartar lifts the stain. Rinse thoroughly. This is great for light discoloration on the exterior base.
Method 3: Lemon and Coarse Salt
Cut a lemon in half and dip the fleshy side into coarse kosher salt. Scrub the rusted area vigorously. I'll be honest, this takes serious elbow grease and won't work on deep pitting. But it smells amazing and works fine for tiny surface specks. Just make sure you rinse away all the salt afterward.
Prevention Tips
Stainless steel isn't actually stain-proof. It's stain-resistant. The chromium in the alloy reacts with oxygen to form a microscopic shield. When that shield breaks down, rust moves in. Here is exactly how I keep my 8-quart Instant Pot Pro looking pristine after five years of heavy use.
- Never leave salty water sitting in the pot. Salt breaks down the passive oxide layer rapidly. If you soak beans overnight, add the salt right before cooking, not during the soak.
- Avoid bleach like the plague. Chlorine bleach destroys stainless steel. If you need to sanitize, use boiling water or a vinegar solution instead.
- Dry it completely after every wash. I keep a dedicated kitchen towel just for drying my stainless steel cookware. Don't let it drip dry on the rack. I sometimes forget to dry the lid rim, and I always regret it the next morning.
- Don't use the pot as a mixing bowl. If you're prepping a lemon-garlic chicken, use a glass bowl. Only put highly acidic food in the Instant Pot when you're ready to turn it on.
- Check the lid rim monthly. Food particles get trapped under the silicone ring. Pop the ring out and wash the metal groove with soapy water every four weeks.
FAQ
Is it safe to cook in a rusty Instant Pot?
Consuming small amounts of rust won't kill you, but it tastes terrible and ruins your food. Tetanus isn't a risk from ingesting rust, but the compromised metal can harbor bacteria. Always remove the rust completely before cooking your next meal.
Why is my stainless steel Instant Pot rusting?
True stainless steel contains at least 10.5% chromium, which prevents rust. However, harsh detergents, prolonged exposure to salt, or scratching with metal utensils can strip this protective layer. Once the bare iron is exposed to moisture and oxygen, oxidation begins immediately.
Can I put the Instant Pot inner pot in the dishwasher?
The manufacturer claims the inner pot is dishwasher safe, but I strongly advise against it. Dishwasher detergents are highly alkaline and often contain chlorine salts. Over time, these harsh chemicals will pit the metal and cause rust. Hand washing takes two minutes and saves your pot.
Does the Instant Pot warranty cover rust?
The standard one-year limited warranty covers manufacturing defects, not damage from improper care. If your pot rusts because you left tomato sauce in it for a week after hosting a dinner party, they won't replace it. However, if a brand new pot arrives with rust spots out of the box, contact their customer support for a free replacement.









