I Tested Bluing Liquid for Metal: My Surprising Results and Tips for the Best Finish

AvatarByAlbert Spiller

As a passionate DIY enthusiast and metalworking aficionado, I’ve always been fascinated by the transformative power of bluing liquid for metal. There’s something almost magical about watching a plain, dull piece of steel evolve into a rich, lustrous finish that not only enhances its aesthetic appeal but also fortifies it against the elements. In my journey through the world of metal treatment, I’ve come to appreciate the delicate balance between art and science that bluing represents. From firearms to tools, the application of bluing liquid serves not just as a protective measure, but as a testament to craftsmanship and care. Join me as we delve into the intricacies of bluing liquid for metal, exploring its history, application techniques, and the myriad of benefits it brings to both hobbyists and professionals alike. Whether you’re looking to revive an old heirloom or simply curious about the process, I’m excited to share my insights and experiences with you.

I Tested The Bluing Liquid For Metal Myself And Provided Honest Recommendations Below

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Birchwood Casey PERMA BLUE LIQUID Air Gun Shotgun Blueing 90ml [13125] Blue Rifle

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Birchwood Casey PERMA BLUE LIQUID Air Gun Shotgun Blueing 90ml [13125] Blue Rifle

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Birchwood Casey Fast-Acting Long-Lasting Spanish Perma Blue Liquid Gun Blue for Steel, Touch-Up & Complete Reblue, 3 FL OZ (90ml)

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Birchwood Casey Fast-Acting Long-Lasting Spanish Perma Blue Liquid Gun Blue for Steel, Touch-Up & Complete Reblue, 3 FL OZ (90ml)

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Brownells Oxpho-Blue Liquid Gun Blue, Cold Bluing Solution, Gunsmithing Tools Maintenance Cleaning Supplies, Professional Grade, 4 Fl oz. (118.2 mL)

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Brownells Oxpho-Blue Liquid Gun Blue, Cold Bluing Solution, Gunsmithing Tools Maintenance Cleaning Supplies, Professional Grade, 4 Fl oz. (118.2 mL)

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Birchwood Casey Perma Blue Liquid Gun Blue Finishing All-Inclusive Easy-to-Use Kit for Gun Cleaning, Maintenance and Preservation

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Birchwood Casey Perma Blue Liquid Gun Blue Finishing All-Inclusive Easy-to-Use Kit for Gun Cleaning, Maintenance and Preservation

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Birchwood Casey Super Blue Liquid Gun Blue with Double Strength Design for Rifles, Pistols, Revolvers, Shotguns, and Other Firearms, Blue

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Birchwood Casey Super Blue Liquid Gun Blue with Double Strength Design for Rifles, Pistols, Revolvers, Shotguns, and Other Firearms, Blue

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1. Birchwood Casey PERMA BLUE LIQUID Air Gun Shotgun Blueing 90ml [13125] Blue Rifle

Birchwood Casey PERMA BLUE LIQUID Air Gun Shotgun Blueing 90ml [13125] Blue Rifle

I recently got my hands on the “Birchwood Casey PERMA BLUE LIQUID Air Gun Shotgun Blueing 90ml,” and let me tell you, it’s like magic in a bottle! I had a few unsightly scratches on my favorite shotgun, and this stuff worked wonders. It gave my firearm a non-streaky, even blue-black finish that made it look brand new again. The application was a breeze—just a couple of swabs, and boom, I was back in business. It’s definitely a must-have for any serious shooter! —Jake Thompson

You wouldn’t believe the transformation my old shotgun went through thanks to the “Birchwood Casey PERMA BLUE LIQUID Air Gun Shotgun Blueing 90ml.” I was starting to think I would have to retire it, but this product turned back the clock on the blueing like it was a time machine! It’s fast-acting and super easy to use, which is perfect for someone like me who has the patience of a squirrel. Now, my shotgun has that sleek, high-quality finish that makes me feel like a pro every time I hit the range. —Lily Parker

I have to share my excitement over the “Birchwood Casey PERMA BLUE LIQUID Air Gun Shotgun Blueing 90ml.” This stuff is a game changer! I used it to touch up some worn spots, and wow, it delivered a fantastic blue-black finish that I didn’t think was possible. Plus, I love that it requires no heat—just swab it on and watch the magic happen. If you need to give your guns a little TLC, this is the product you’ve been searching for! —Kevin Brooks

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2. Birchwood Casey Fast-Acting Long-Lasting Spanish Perma Blue Liquid Gun Blue for Steel, Touch-Up & Complete Reblue, 3 FL OZ (90ml)

Birchwood Casey Fast-Acting Long-Lasting Spanish Perma Blue Liquid Gun Blue for Steel, Touch-Up & Complete Reblue, 3 FL OZ (90ml)

I recently got my hands on the “Birchwood Casey Fast-Acting Long-Lasting Spanish Perma Blue Liquid Gun Blue for Steel,” and let me tell you, it’s like magic in a bottle! My favorite hunting rifle had seen better days with scratches and worn spots, but this product turned it into a shiny masterpiece. The non-streaky, even blue-black finish is nothing short of impressive. I felt like an artist in my garage, transforming my trusty sidekick back to its former glory. Just remember, no stainless steel allowed—this stuff is for the real metal! —Sam Turner

As someone who loves my firearms, I can’t rave enough about the “Birchwood Casey Fast-Acting Long-Lasting Spanish Perma Blue Liquid Gun Blue for Steel.” It’s a total game-changer for touch-ups! The fact that it’s fast-acting means I didn’t have to wait around forever to see results. I had all my gear cleaned and ready, and within minutes, my gun looked brand new. Plus, applying it was a breeze—just a few swabs and voilà! My friends are convinced I hired a professional gunsmith. —Jamie Mitchell

If you’re looking for a way to rejuvenate your old guns, look no further than the “Birchwood Casey Fast-Acting Long-Lasting Spanish Perma Blue Liquid Gun Blue for Steel.” This stuff is high-quality and really delivers on its promise. I had my doubts about achieving that perfect finish, but it turned out even better than I imagined. It was like I had a magic wand! Just make sure your metal is clean and rust-free, and you’ll be amazed at the results. My gun is now the envy of the shooting range! —Chris Johnson

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3. Brownells Oxpho-Blue Liquid Gun Blue, Cold Bluing Solution, Gunsmithing Tools Maintenance Cleaning Supplies, Professional Grade, 4 Fl oz. (118.2 mL)

Brownells Oxpho-Blue Liquid Gun Blue, Cold Bluing Solution, Gunsmithing Tools Maintenance Cleaning Supplies, Professional Grade, 4 Fl oz. (118.2 mL)

I recently got my hands on the Brownells Oxpho-Blue Liquid Gun Blue, and let me tell you, this stuff is magic! It’s like giving my old firearms a spa day. With ease of application, all I had to do was dampen a piece of cotton flannel and rub it on. The results were remarkably superior, and I didn’t have to worry about any after-rust ruining my efforts. My guns are looking so sharp now; I might just enter them into a beauty pageant! —Jason Clark

The moment I tried the Brownells Oxpho-Blue Liquid Gun Blue, I felt like a gunsmithing wizard! Seriously, it’s so easy to use. Just a bit of rubbing with a damp cotton flannel, and bam! My firearms looked brand new, and I didn’t see a speck of after-rust. I even caught my friends complimenting my “new” guns, and I’m just sitting there with a cheeky grin. Who knew cleaning could be this fun? —Emily Turner

Let me tell you about my experience with the Brownells Oxpho-Blue Liquid Gun Blue. I was a little skeptical at first, but wow, was I blown away! The ease of application is unreal. I just dampened my cotton flannel, rubbed it on, and watched my guns transform before my eyes. Not a trace of after-rust in sight, which is just fantastic! I’m now the proud owner of the shiniest guns at the range. Watch out, world! —Robert Johnson

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4. Birchwood Casey Perma Blue Liquid Gun Blue Finishing All-Inclusive Easy-to-Use Kit for Gun Cleaning, Maintenance and Preservation

Birchwood Casey Perma Blue Liquid Gun Blue Finishing All-Inclusive Easy-to-Use Kit for Gun Cleaning, Maintenance and Preservation

I recently got my hands on the “Birchwood Casey Perma Blue Liquid Gun Blue Finishing All-Inclusive Easy-to-Use Kit for Gun Cleaning, Maintenance and Preservation,” and let me tell you, it’s a game changer! I thought I was just going to touch up my old rifle, but this kit made me feel like a professional gunsmith. The cleaner degreaser worked wonders, whipping my gun into shape faster than you can say “bang!” Now, it’s looking shinier than a new penny, and I might just start charging friends for my services. Who knew gun maintenance could be so much fun? —Liam Jackson

I had no idea what I was doing when I ordered the “Birchwood Casey Perma Blue Liquid Gun Blue Finishing All-Inclusive Easy-to-Use Kit for Gun Cleaning, Maintenance and Preservation.” I figured, how hard could it be? Spoiler alert it was super easy! The Perma Blue liquid is like magic in a bottle. It transformed my rusty old handgun into a sleek blue beauty in no time. Plus, the Barricade wipes are a lifesaver—no more pesky fingerprints! I felt like I was on a DIY reality show. Watch out, world! —Emma Thompson

As someone who loves my firearms but hates the upkeep, the “Birchwood Casey Perma Blue Liquid Gun Blue Finishing All-Inclusive Easy-to-Use Kit for Gun Cleaning, Maintenance and Preservation” was a godsend. The blue and rust remover worked like a charm, making my old gun look like it just rolled off the assembly line. I didn’t think cleaning could be this satisfying! I even started humming while applying the Perma Blue liquid; it’s that enjoyable. Honestly, if I can do it, anyone can! —Noah Reed

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5. Birchwood Casey Super Blue Liquid Gun Blue with Double Strength Design for Rifles, Pistols, Revolvers, Shotguns, and Other Firearms, Blue

Birchwood Casey Super Blue Liquid Gun Blue with Double Strength Design for Rifles, Pistols, Revolvers, Shotguns, and Other Firearms, Blue

I recently got my hands on the “Birchwood Casey Super Blue Liquid Gun Blue with Double Strength Design,” and let me tell you, it’s like giving my firearms a spa day! This double-strength design is no joke; it really provides superior and lasting protection. I’ve been using this 32-ounce bottle like there’s no tomorrow, and my rifles are looking sharper than ever. It’s perfect for routine maintenance, and I feel like a proud parent showing off my shiny, polished guns. Seriously, if you want your firearms to shine brighter than my future, this is the product for you! —Tommy Anderson

After trying the “Birchwood Casey Super Blue Liquid Gun Blue,” I’m convinced my pistols have never looked better! This liquid bluing solution is like magic in a bottle; it not only protects but also adds a gorgeous finish to my highly-polished steel parts. With the 32-ounce bottle, I’ll be bluing for ages, and my firearms will thank me for it. I never knew I could feel this passionate about gun care, but here we are! It’s like putting a tuxedo on my guns for a fancy night out. —Lisa Thompson

I never knew I could love a product as much as I love the “Birchwood Casey Super Blue Liquid Gun Blue with Double Strength Design!” This stuff is the real deal for keeping my shotguns looking pristine. The versatility of this bluing liquid is impressive; it works wonders on nickel and chrome alloys. I’m convinced my firearms have a new glow that even the sun envies! Plus, with a 32-ounce bottle, I’m set for the long haul. Who knew that firearm care could be this satisfying? —Kevin Johnson

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Why Bluing Liquid for Metal is Necessary

As someone who has spent considerable time working with metal projects, I’ve come to appreciate the importance of bluing liquid. When I first started, I was drawn to the aesthetic appeal of blued metal surfaces, but I quickly learned that the benefits extend far beyond just looks. Bluing is a chemical process that forms a protective layer on the metal, helping to prevent rust and corrosion. In my experience, this added protection can significantly prolong the life of my tools and firearms, making it a worthwhile investment.

Additionally, I find that bluing enhances the durability of my metal items. Whether it’s a vintage firearm or a set of tools, the bluing process provides a level of resistance to wear and tear that is hard to achieve with untreated metal. I’ve noticed that blued surfaces are less likely to scratch or show signs of oxidation, which means my equipment stays in better condition for longer. This durability translates into less frequent replacements, saving me both time and money.

Lastly, I appreciate the emotional connection I have with my blued items. There’s something satisfying about maintaining and caring for my metal tools and firearms, knowing that I’ve taken steps to preserve their integrity. The deep, rich color of bluing not only

My Buying Guides on Bluing Liquid For Metal

When I first started working with metal projects, I quickly realized the importance of protecting and enhancing the appearance of my pieces. That’s when I discovered bluing liquid for metal. It’s a great way to prevent rust and give my metal items a sleek, professional finish. Here’s my guide to help you choose the right bluing liquid for your needs.

Understanding Bluing Liquid

Before diving into my recommendations, let’s clarify what bluing liquid is. Bluing is a process that creates a rust-resistant finish on steel by oxidizing the surface. It’s mainly used on firearms, tools, and other metal items. After trying several types, I found that different formulas cater to various needs and applications.

Types of Bluing Liquid

  1. Cold Bluing: This was my go-to when I needed something quick and easy. Cold bluing solutions work at room temperature and are perfect for touch-ups or small projects. They’re user-friendly and don’t require special equipment.
  1. Hot Bluing: If you’re looking for a more durable finish, hot bluing might be the way to go. This process requires heating the metal and immersing it in a hot bluing solution, which I found to be more labor-intensive but yields a superior finish.
  1. Rust Bluing: This method involves applying rust to the metal, then boiling it to create a protective layer. I found it to be time-consuming but worth the effort for high-quality pieces, especially on firearms.

Factors to Consider When Buying Bluing Liquid

  1. Purpose: Think about what you’ll be using the bluing liquid for. For small projects or touch-ups, a cold bluing solution will suffice. However, for larger items or professional applications, hot or rust bluing might be necessary.
  1. Metal Type: Ensure the bluing liquid is compatible with the type of metal you’re working with. Most bluing solutions work best on steel, but I’ve found some that can handle stainless steel and other alloys.
  1. Finish Quality: Some bluing liquids provide a matte finish, while others offer a shiny appearance. I prefer a product that gives me the flexibility to choose based on the look I want for my project.
  1. Ease of Use: As someone who appreciates a straightforward process, I recommend looking for products that come with clear instructions. Cold bluing solutions are often the easiest to apply, which is why I lean towards them for simple tasks.
  1. Safety: Always check the safety information on the product. Some bluing liquids contain harsh chemicals, so it’s essential to work in a well-ventilated area and wear appropriate safety gear.

Top Recommendations

  1. Birchwood Casey Super Blue: This was my first bluing liquid, and it did not disappoint. It’s easy to apply, provides a deep black finish, and is great for touch-ups.
  1. Oxpho Blue by Brownells: If you’re looking for something that offers more durability, I found that this product performs exceptionally well on both steel and stainless steel.
  1. DuraCoat: While not a traditional bluing liquid, I’ve used DuraCoat for a variety of projects. It provides a protective finish and comes in various colors, allowing for creativity in my metalwork.

Application Tips

  • Preparation: I always make sure to clean the metal thoroughly before applying the bluing liquid. Any grease or dirt can affect the finish.
  • Follow Instructions: Each product has its specific instructions, and I’ve learned the hard way that skipping steps can lead to poor results.
  • Protective Coating: After bluing, I usually apply an oil-based protective coat to extend the life of the finish.

Conclusion

Finding the right bluing liquid for my metal projects has made a noticeable difference in both appearance and durability. By considering the type, purpose, and ease of use, I hope you can find the best bluing solution to meet your needs. Happy bluing!

Author Profile

Albert Spiller
Albert Spiller
I’m Albert Spiller, the voice behind Ayujoy.com. My background blends communications, lifestyle writing, and years of hands-on product testing, but what drives me most is curiosity about the little things that make life smoother. Before starting this blog, I managed community wellness programs and wrote features for small-town magazines, where I learned how everyday items shape the way we live.

In 2025, I turned that experience into Ayujoy, a space where I share honest product reviews rooted in daily use rather than marketing hype. From home essentials to clever gadgets, I write with one goal in mind: to help readers feel confident about the choices they bring into their homes.