Comments on: How to Get Rust Off the Blade of Your Knife https://blog.knife-depot.com/how-to-remove-rust-from-the-blade-of-your-knife/ The official blog of Knife Depot Sun, 27 Apr 2025 01:23:29 +0000 hourly 1 https://wordpress.org/?v=6.5.8 By: Cody https://blog.knife-depot.com/how-to-remove-rust-from-the-blade-of-your-knife/#comment-439763 Fri, 12 Jul 2024 13:32:54 +0000 https://blog.knife-depot.com/?p=2759#comment-439763 If you’re storing any kind of steel long term, cosmoline grease is amazing at preventing rust. All you need is a very thin layer. But for my EDC, I use Hoppe’s 9 Elite gun oil. Or CLP. Light coat and let ’em dry and the oil forms a very effective and fairly long lasting protective coating. As for rust removal, if the rust is deeper than just surface rust and you don’t want to put in the labor, a decent chelation agent like Evapo-Rust is highly effective if not super budget friendly. It takes almost zero work and I’ve never had it damage and kind of finish or handle/scale material at all. Got rid of the iron oxide only.

]]> By: laser cutting_HGTECH https://blog.knife-depot.com/how-to-remove-rust-from-the-blade-of-your-knife/#comment-349173 Fri, 24 Feb 2023 07:11:08 +0000 https://blog.knife-depot.com/?p=2759#comment-349173 how about using a laser cleaning machine?

]]> By: Bugout 535GRY-1 https://blog.knife-depot.com/how-to-remove-rust-from-the-blade-of-your-knife/#comment-302433 Fri, 19 Aug 2022 08:41:51 +0000 https://blog.knife-depot.com/?p=2759#comment-302433 Thank you for this informative article! I love how the methods can be easily done at home. I like how you included a video as well. Is there a type of knife that doesn’t rust?

]]> By: KnifeSharpLA https://blog.knife-depot.com/how-to-remove-rust-from-the-blade-of-your-knife/#comment-259180 Mon, 30 May 2022 15:38:24 +0000 https://blog.knife-depot.com/?p=2759#comment-259180 Thank you for providing complete information. You mentioned that it’s best to resharpen the knife after removing the rust. Do you have any tips on how to do it at home?

]]> By: MikeTheWonderDog https://blog.knife-depot.com/how-to-remove-rust-from-the-blade-of-your-knife/#comment-231059 Wed, 22 Dec 2021 00:30:00 +0000 https://blog.knife-depot.com/?p=2759#comment-231059 Be cautious about leaving a knife in a pan of vinegar. I did that with a totally rusted up slip joint pocket knife, after 2 days it had eaten away not only rust but a good bit of the steel. Springs and blades both. But didn’t seem to affect the scales which I think are none.

]]> By: Jersey Doug https://blog.knife-depot.com/how-to-remove-rust-from-the-blade-of-your-knife/#comment-227830 Sun, 21 Nov 2021 17:45:17 +0000 https://blog.knife-depot.com/?p=2759#comment-227830 In reply to Gregg.

I think kitchen oils will gum up. I use mineral oil.

]]> By: Frank https://blog.knife-depot.com/how-to-remove-rust-from-the-blade-of-your-knife/#comment-214754 Tue, 20 Jul 2021 19:20:35 +0000 https://blog.knife-depot.com/?p=2759#comment-214754 I have not tried the potato trick, but I have used white vinegar and apple cider vinegar to remove rust on knives and tools. Sometimes the vinegar leaves a sort of whitish stain or finish, but I have soaked items for as long as a week. I’d suggest to people to try the least caustic or finish altering methods first.
Washing, oiling and wiping would be first. Then a dish scrubbing sponge or a scouring pad, SOS pad, along with, oil, vinegar or baking soda. One can also try toothpaste or Flitz and an old toothbrush.

Polishing by hand (sandpaper or sponges) will require a little effort and take a while unless you use power tools, but it’s cheap and once you have the blade looking nice it’s a very satisfying feeling.

Of course if you power tools like a Dremel or such it’ll be faster.

]]> By: Gregg https://blog.knife-depot.com/how-to-remove-rust-from-the-blade-of-your-knife/#comment-189053 Sat, 23 Jan 2021 15:49:29 +0000 https://blog.knife-depot.com/?p=2759#comment-189053 In reply to John.

A “black blade” is not enough information to advise you. Different materials or surface treatment might make almost any blade look “black”.

]]> By: Gregg https://blog.knife-depot.com/how-to-remove-rust-from-the-blade-of-your-knife/#comment-189051 Sat, 23 Jan 2021 15:47:09 +0000 https://blog.knife-depot.com/?p=2759#comment-189051 In reply to Adrian.

Oil to prevent more rust after the potato try depends on the type of use of the knife. If in the kitchen, only natural organic oils for cooking should be used. Clearer the better–won’t stain. If a utility knife in your tool crib, a light machine oil will do.

]]> By: Gregg https://blog.knife-depot.com/how-to-remove-rust-from-the-blade-of-your-knife/#comment-189049 Sat, 23 Jan 2021 15:41:51 +0000 https://blog.knife-depot.com/?p=2759#comment-189049 In reply to ChaosAgentJ.

Colored vinegar might leave a stain. White (clear) vinegar will not.

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