Home Improvement Expert Danny Lipford

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How to Remove Rust Using Molasses


To remove rust from tools and have them looking like new without using caustic chemicals, soak them in a mixture of molasses and water for several days. Watch this video to find out how.  ...More




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How to Remove Rust Using Molasses

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To remove rust from tools without using caustic chemicals, mix 1 part molasses with 9 parts water in a container, then soak the rusty items in it for between several days and two weeks. The solution breaks down the rust and holds it in suspension. Once the rust has been removed, take the items out, clean them off, and go over them with a wire brush.



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6 Comments on “How to Remove Rust Using Molasses”

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  1. Learnne Says:
    March 2nd, 2011 at 7:59 am

    Hi Danny, Jo and Team from Down Under!!

    Love your video diaries and particularly this tip.

    I was wondering if you have large items, (I have a very large wrought iron gate that is rusted) how would I be able to use the molasses method?

    Kind Regards,

    Learnne

    Melbourne, Australia

  2. Official Comment:

    Joe T. Says:
    March 2nd, 2011 at 9:09 am

    Hello Learnne, How nice to hear from the other side of the planet. Hope all is well Down Under. This rust-removing technique only works if you can submerge the entire piece and allow it to soak for several days or weeks. So, unless you want to fill your swimming pool with molasses, this tip isn’t practical for rusty gates.

    I’d suggest removing the rust with a couple of power tools, including a right-angle grinder for the long, flat, easily accessible surfaces, and an oscillating multi-tool for harder-to-reach areas. In fact, if the gate isn’t too badly rusted, you might even be able to use a random-orbit sander fitted with 80- or 60-grit abrasive discs.

    Regardless which tools you use, it’ll be a dusty, dirty job, but you’ll be surprised how quickly you’ll be able to expose the clean, shiny metal that’s hiding below the corrosion. And remember, you must remove every bit of rust before applying the primer.

    Hope you find this advice helpful. By the way, when I read your email and saw the words “Australia” and “iron gate” I immediately thought of that classic scene from the 1999 Australian hit movie, “The Castle,” where Darryl Kerrigan uses his tow truck to yank the gates off a rival’s home. It’s one of my all-time favorite movies. Anyway, good luck and cheers from all your friends Up Over!–Joe T.

  3. POR 15 Says:
    May 21st, 2011 at 12:25 am

    I would love to use this molasses treatment but am skeptical about doing it for my car. Is it feasible for me to remove all under carriage parts and dip them into molasses solution?

  4. Official Comment:

    Joe T. Says:
    May 22nd, 2011 at 2:11 pm

    Dear POR 15, This molasses tip can be used to remove rust and corrosion from any small metal part, including automotive parts. However, you might want to test this technique on one part to see how it works.

    Just remember that it does take a day or two–or more–for the molasses to work, which might not be practical if you’ve got dozens of parts. Or, if the parts are very large. Anyway, thanks for writing and good luck!–Joe T.

  5. John Says:
    June 14th, 2011 at 3:57 pm

    i am restoring my 1964 VW Ghia and would like to clean up the steel rims (no tires on Rims). Would you recomend the Molasses process on the rims?

  6. Official Comment:

    Joe T. Says:
    June 15th, 2011 at 8:18 am

    John, I’m not sure whether or not molasses will remove rim rust, but it’s certainly worth a try since the syrupy solution won’t cause any harm. The challenge is that this tip works best when the rusted piece is completely submerged and allowed to soak for a few days. Car rims–even those of a ’64 Ghia–are pretty big pieces. In any case, thanks for writing and good luck!–Joe T.

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