Rust on Stainless Steel? This Fix Might Surprise You
Rust and stainless steel? Sounds like a contradiction, right? But it happens more often than you’d think. Those annoying orange-ish stains have a way of showing up in the least expected places—kitchen sinks, shower stalls, toilet bowls, washing machines, even on that shiny new stainless steel refrigerator. If you’ve been wondering how to remove rust from stainless steel without damaging your surfaces or breaking the bank, you’re in the right place.
If I had a dollar for every rust-related question that lands in my inbox, I’d be cleaning up more than just stains. From tubs to tiles and beyond, rust seems to pop up everywhere. And while it’s not the most glamorous cleaning challenge, it’s definitely one of the most persistent. So for everyone who’s written in (or silently cursed at a mystery rust stain), I’ve got a little backstory, a dash of science, and a solution that’s satisfying and budget-friendly, of course.
Why Does Stainless Steel Rust in the First Place?
Stainless steel is a popular go-to material for cookware, appliances, and fixtures because it’s tough, sleek, and supposedly rust-resistant. But here’s the catch: resistant doesn’t mean rust-proof. Rust and stains can still show up when the protective chromium oxide layer gets damaged or worn down. And yes, that can happen more easily than you might think.
Common rust culprits include:
- Using the wrong cleaners (like bleach or oven spray)
- Hard water or mineral buildup
- Abrasive scrubbing pads or steel wool
- High humidity or steam
- Fingerprints or food residue left uncleaned
- Surface scratches or dings that expose the metal beneath
Knowing what causes rust is half the battle. Luckily, the fix is easier than you think.
The Secret Ingredient That Cleans Like Magic
The year was 1882. The setting: Indianapolis. A chemist took a break from his scholarly endeavors to cook up a pan of rhubarb, that sour-but-hardy vegetable, common in the gardens of yore.
After plating his recipe, the man found his formerly tarnished pot fairly sparkled. Being a chemist, he quickly ruled out magic and set out to discover what it was that made rhubarb such a superior cleaning agent.
The secret: oxalic acid. Found naturally in rhubarb and spinach, oxalic acid attacks stubborn rust, tarnish, and lime stains at the molecular level, breaking the bonds that hold them together.
That same chemist went on to create an oxalic acid-based cleaning powder he sold to taverns to polish brass bar rails. The tavern owners were so impressed, they dubbed it—wait for it—Bar Keepers Friend.
Still a family-owned company based in Indianapolis, Bar Keepers Friend continues to solve everyday cleaning woes more than a century later.
The Best Way to Remove Rust from Stainless Steel
One reader wrote that tiny rust marks have appeared on his new stainless steel refrigerator. Sadly, the manufacturer considers this a cosmetic issue, so the warranty does not apply. Fortunately, the fix is easy and effective.
I’ve used Bar Keepers Friend Soft Cleanser for years, assuming it was just the liquid version of the original powdered cleanser. I keep it in my laundry room and swipe it on rust stains in my washer with a soft cloth. Poof! Gone.
Here’s where I discovered something surprising: the Bar Keepers Friend Soft Cleanser isn’t just a liquid version of the powder. It also contains citric acid, which gives it an extra boost against household rust, and makes it my go-to for stubborn stainless steel spots.
Even better? It now comes in a spray foam version: Bar Keepers Friend MORE Spray + Foam. This clever upgrade sticks to vertical surfaces (like refrigerator doors!) so it can work its magic without dripping away.
The “MORE” in its name stands for:
- Mineral deposits
- Oily residues
- Rust stains
- Everyday grime
And yes, it’s safe for stainless steel, tile, porcelain, ceramic, fiberglass, aluminum, copper, brass, chrome, and glass.
No products found.
How to Use Bar Keepers Friend on Rusty Stainless Steel
Whether you’re using the Soft Cleanser or the MORE Spray + Foam, the steps are simple:
- Apply a small amount of cleanser or spray directly onto the rusty area.
- Use a damp soft cloth or non-abrasive sponge to gently rub in circular motions.
- Rinse well with clean water to remove all residue.
- Wipe dry with a microfiber cloth to avoid water spots and reveal that signature stainless steel shine.
CAUTION: Always test any product in an inconspicuous place, first. Always. DO NOT USE on wood, fabric, leather, mirrors, painted surfaces, gold, silver (sterling silver is OK) or natural stone surfaces like granite and marble.
DIY Rust Removal Using Baking Soda
Baking soda is a versatile and reliable natural cleaner for various surfaces. Its mild abrasiveness and cleaning properties make it ideal for stainless steel appliances. First, clean the surface with mild soap and water. Then, mix baking soda and warm water into a paste. Apply the paste to the rust with the toothbrush, and gently scrub the spot until the stain is gone. Repeat as needed. When you’ve removed the stains, rinse the area with clean water and wipe it clean with a dry cloth. This method is best for small or early-stage rust spots, not deeper corrosion.
Keep Rust from Coming Back
Rust may be a master of surprise, but with the right habits and trusty cleaners on hand, you can keep it from making itself at home again.
Start by wiping down your stainless surfaces after each use. Moisture might seem harmless, but it’s often the culprit behind those sneaky rust spots. Skip the harsh stuff like bleach or ammonia, which can do more harm than good. Instead, give your stainless a regular refresh with a small amount of BKF or even a gentle baking soda paste to stay ahead of stains and buildup.
And if you want to go the extra mile? A quality stainless steel polish or conditioner can add a protective layer that helps repel rust and keeps everything looking like new.
Question: What’s the weirdest place you’ve ever found rust? Your coffee maker? Your stainless fridge? Tell me I’m not the only one who’s fought this battle.
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I purchased a stainless steel dish drying rack — it is rusting! How can I keep it rust free?
Bar Keepers Friend!
You can find Barkeeper’s Friend at your local Dollar General. That is if you have the store at or near your location. My store carries it, but sells out quick.
I found BKF Soft Cleanser about four months ago. I came across this post looking for other information. I was wondering what properties it has in it that makes my dingy dish rags sparkling white (which they should be) after cleaning my kitchen sinks. I was thrilled when I found the large bottle at my local Amish discount store for just over THREE BUCKS!
The active ingredient in BarKeepers Friend (BKF) is oxalic acid. Read more: Three Generic Cleaners Same as Brand Names but Cheaper I don’t know that I would use it straight up in the washing machine. If you want white whites, there’s a better way that won’t harm your clothes and linens: Dingy Gray Laundry is the Problem—THIS is the Solution! and How to Wash White Laundry to Keep It Looking Brilliant and 13 Reasons You Need to Keep Borax in the House (and Why It’s Safe!)
We live in a very hard water area. I got water rings on brand new quartz countertop that nothing I used could get off. Even a razor blade. The rings appeared to be one with the quartz. Barkeepers Friend worked great! I had never used it, I’m Bon Ami for life person. Now I have a new Friend.
Liquid BKF is awesome. We had stains from snow run-off from our chimney (probably creosote, looked like rust, whatever) on our cream colored vinyl siding. NOTHING removed it and I tried lots of stuff. Then, I discovered liquid BKF. Sprayed it on, wiped with a MR CLEAN Sponge. Our siding looked liked new again after several years of being stained.
Thanks for that feedback, Linda and another use for BKF Soft Cleaner.
I have never heard of or experienced this. However it is never a good idea to leave any cleaning product to sit for a period of time unless advised by the manufacturer. If you have a source for what you think, let us know.
Mary, I have rust on my outdoor gate. I’m going to hit that gate with this, but I’m also wondering if I can use one of these products on the pavers under the gate (the rust drips on the pavers when it rains or snows.)
Thank you!
Love you!
Give it a try first in an inconspicuous place. I am hopeful!