Does Water work better than Penetrating Oil for Rusty Bolts? Let's find out!

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  • Published: 29 April 2019
  • Does water work better than penetrating oil for removing rusty nuts and bolts? Also, can water or penetrating oil climb a vertical surface and creep into a rusty nut or bolt? I've had quite a few viewers recommend water over using penetrating oil for removing frozen nuts and bolts. What about diesel? In this video, water, diesel, 3-in-1 oil, Gibbs, Free All, and Mouse Milk compete to see which product is best using 3 separate tests. The Project Farm channel is not sponsored by any of the manufacturers of the products tested. I purchased all of the products tested in this video. Hope you enjoy the video and hope you provide comments on future video ideas! Thanks for all who recommended this test. 100% of the videos on this channel are viewer recommended ideas.

    Previous video on penetrating oils (Liquid Wrench, PB Blaster, Kroil, WD-40, Acetone/ATF, and Royal Purple): Which Penetrating Oil is Best? Let's find out! - YouTube
    https://www.youtube.com/watch?v=xUEob2oAKVs

    Penetrating oils tested: Brake Fluid, Seafoam Deep Creep, Fluid Film, BG In-Force, WD-40 Rust Specialist, CRC Knock'er Loose. https://www.youtube.com/watch?v=st8dkGzJWtg


    Thank you very much for supporting the channel by watching the commercials and through Patreon support. https://www.patreon.com/projectfarm

    This video is only for entertainment purposes. If you rely on the information portrayed in this video, you assume the responsibility for the results. Project Farm LLC
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Comments • 3 974

  • marks mopar
    marks mopar  2 days back

    I would have liked to see chain saw gas as a penetrating oil,I use that for freeing up old engines.

    • marks mopar
      marks mopar  2 days back

      @Project Farm have you done a test on grease to find out what type or brand is the best? Grease gun grease I mean

    • Project Farm
      Project Farm   2 days back

      Great test idea! Thank you

  • Dustin Schloesser
    Dustin Schloesser  1 weeks back

    Try SOK penetrating oil. It’s hard to find on shelves at stores but can be ordered. It works like magic

  • Prashant Gawande
    Prashant Gawande  2 weeks back

    Petrol, Soda Cold Drinks (coke, Pepsi etc.), please try these too.

  • Ali
    Ali  2 weeks back

    Test h2o2... and h2o only( deionized water) ...

    • Ali
      Ali  2 weeks back

      @Project Farm u r welcome .. but dont forget to use black light with the h2o2 if u ever get around to doing it

    • Project Farm
      Project Farm   2 weeks back

      Thank you for the video idea!

  • SetTheCurve
    SetTheCurve  2 weeks back

    I’m sure I’m not the first person to say this, but I want to know if an engine will run lubricated with actual snake oil

  • J G
    J G  2 weeks back

    Love all the videos this guy makes. Been watching him for awhile now. Informative, creative and extremely interesting

  • hybridmx5
    hybridmx5  3 weeks back

    what about pee?

    • Reel-Lentless
      Reel-Lentless  3 weeks back

      Great video. We have always soaked our chains from tow to chain saw in diesel. We run a lot of saw chains for trimming trees. Just pull them out of the diesel bucket, use them, throw in dry bucket, sharpen, throw in diesel again. Also dump old diesel in barrels for posts and other fence material. Diesel works great on 3 pt hitch adjusters, 5th wheel slides, or any other in the weather item that seizes up. You have great real world videos. We dont need expensive "penetrants/lubes" but they do work well. I remember a buddy in high school who lived in town and had no idea about really working on anything. He brought his mustang out to the shop (yes we had real V8 mustangs) to put new shocks on it. He could not get the rubber bushings on the shocks and I said SPIT ON IT. To this day 35yrs later he still laughs and says "spit on it" when we get together.

    • willishill100
      willishill100  3 weeks back

      try castle liquid torch

      • ZeruS117
        ZeruS117  4 weeks back

        Should have added croil works like a charm

      • TheElgreko
        TheElgreko  4 weeks back

        We have WD-40 does everything...

        • Qrow Branwen
          Qrow Branwen  4 weeks back

          We need a best cleaner video, please

        • Sonny Dey
          Sonny Dey  4 weeks back

          Why don't you test spring water & distilled water ??

        • Raman Kumar
          Raman Kumar  1 months back

          U r very hardworking ....
          U diserve 10milion logical sub base....

        • dungoist
          dungoist  1 months back

          He's all man.

          • François Parent
            François Parent  1 months back

            Penetrating oil.. just use KY

            • TheOldGord
              TheOldGord  2 months back

              Should have included Coke.

            • Shadow 3091
              Shadow 3091  2 months back

              At least these brands can say "Use our brand. We're marginally better than water"

              • DementedButtHole
                DementedButtHole  2 months back

                Which one of those works best for squeaky cats?

                • Larry B
                  Larry B  2 months back

                  Very nicely done video.

                  SUMMARY: ALL of the penetrating oils are approximately useless. Based on the variance in the torque to loosen the nuts, I doubt any are reliably better than the control. And THAT seems to coincide with my experience with these products.

                • Hotlineelec
                  Hotlineelec  2 months back

                  Who milked the 🐁 🐭 mouse!?!?

                  • Jim Breedlove
                    Jim Breedlove  2 months back

                    One part type 1 atf 1 part kerosene 1 part acetone. Been a heavy machinery mechanic for years works great.

                  • Adi S
                    Adi S  2 months back

                    All in all it seems that there is not much difference in removing the nuts; it seems that they pretty much came lose with the same amount the got torqued.
                    To me that means that the rust did not creep deep enough into the threads yet. Besides that, keep up the good work, I love your tests.

                  • Mark Hide
                    Mark Hide  2 months back

                    You also forgot lanolin or Aussies call it possum piss 👍🏻

                    • Rage4Me
                      Rage4Me  2 months back

                      We use Zep45. Seems to work just fine and doesn't smell bad.

                      • K M
                        K M  2 months back

                        https://youtu.be/eIxMAGRTKMg please test the penetrating lube from the link. Thank you.

                      • Cool as Ice
                        Cool as Ice  2 months back

                        I don't think water had fair shot. The people using water are not letting it soak. They're most like using it on a bolt or nut they taking off immediately.

                        • John Juneau
                          John Juneau  2 months back

                          Why not include the old stand by, WD40?

                          • AlainHubert
                            AlainHubert  2 months back

                            I know it's not supposed to be used as that, but for years I've used WD-40 as penetrating agent to loosen rusty bolts and nuts with moderately good success. I would have liked to see it compared to specialized penetrating oil products.

                            • AlainHubert
                              AlainHubert  2 months back

                              @Project Farm
                              After discovering your channel, and watching a few of your excellent videos, and following this positive response from you, I've gladly subscribed to it ! Thanks !
                              EDIT: I've discovered that you already covered WD-40 against other penetrating oil products in an earlier video:
                              https://www.youtube.com/watch?v=xUEob2oAKVs

                            • Project Farm
                              Project Farm   2 months back

                              Great suggestion! Thank you

                          • Virgo
                            Virgo  3 months back

                            Is the finale showdown up yet?

                          • Robert Sepulvado
                            Robert Sepulvado  3 months back

                            How does heat affect these products? I often use a torch to free larger nuts in severe conditions such as farm equipment.

                          • The Noob Plays It
                            The Noob Plays It  3 months back

                            Have you considered applying heat in conjunction with the penetrating oils? It would be interesting to see how the different products react.

                            • neonhomer
                              neonhomer  3 months back

                              You show Zep45, but you didn't test it... nor can I find it in a previous test.....

                              • jose gonzalez
                                jose gonzalez  3 months back

                                Used engine oil works wonders.

                              • Chris Philhower
                                Chris Philhower  3 months back

                                I worked as an Auto Tech for years. Never heard of Mouse Milk, Gibbs and Free All. Maybe they're Regional?? Always seemed to have better luck with PB Blaster.

                              • Jason Harvey
                                Jason Harvey  3 months back

                                The best stuff is a 50/50 mix. Auto trans fluid and acetone.
                                Works better than everything.

                              • Martyn Watson
                                Martyn Watson  3 months back

                                Water caused the problem in the first place.

                              • Danger Bear
                                Danger Bear  3 months back

                                That pointing pen has been around for awhile. I've seen you use it as a pick , a gasket scraper and an inner ear scratcher. Is it just one pen taking this journey or do you have a box these? You should merch some. Pit your logo on them

                                • Project Farm
                                  Project Farm   3 months back

                                  This is my only pen like this one. Great suggestion! Thank you

                              • Ghana Mafia
                                Ghana Mafia  3 months back

                                Vinegar is best.

                              • Bert Alexander
                                Bert Alexander  3 months back

                                I would like you to test Hilco lube.

                              • Snorri Ö.K.
                                Snorri Ö.K.  3 months back

                                It has been tested that hydraulic fluid works really well but since it is made out of 95% vegetable oil, that makes me wonder a bit whether it would be a cheaper but similarly effective rust penetrant?

                              • Eric L
                                Eric L  3 months back

                                It looks like the surface tension of the water caused the problem.....Would adding a small amount of soap change the results?

                              • James Yoder
                                James Yoder  3 months back

                                Have you ever heard of kroil it's a penetrating oil I've used in the past I would like to see you test it

                              • Paul Campbell
                                Paul Campbell  4 months back

                                water evaporates.

                                • Herman Finster
                                  Herman Finster  4 months back

                                  Good stuff. I now check in with your videos before buying products. I especially admire your effort to maintain rigor and showing your work puts you a step above Consumer Reports. As I've mentioned before, in some instances (such as this one) the data are inconclusive because of small sample size and broad variation which make it difficult to say if the difference between the means is statistically significant. I've mentioned that the T test was designed for these situations. Your reply suggested you weren't comfortable with the required analysis. The Excell spreadsheet has several T functions built in to its statistical function library. Also, an explanation of T testing can be found here: https://en.wikipedia.org/wiki/Student%27s_t-test

                                  • Project Farm
                                    Project Farm   4 months back

                                    Thanks for the constructive feedback

                                • Tyler Wellman
                                  Tyler Wellman  4 months back

                                  I mix my own penetrating fluid, sounds crazy, but it works really well for me, it would be great if you could test my mixture, 50/50 Seafoam Hydra Trans Tune and Acetone nail polish (I would rather use a stronger concentration of acetone if I had it available.) Maybe for the video you could try different mixing rations and a homemade mixture ChrisFixs video Homemade Penetrating Fluid claims is better than any product available, a 50/50 mix of Valvoline Max Life Synthetic ATF Dex/Merc and premium acetone. You could try different ratios to make a complete video/test?

                                  https://www.youtube.com/watch?v=2WuVBFTzoKc
                                  His video if you are interested.

                                • nilloc93
                                  nilloc93  4 months back

                                  i think the biggest issue is that the torque is too low, to really show what the different oils can do, at ~130 ft/lb's no one is going to use a penetrant anyway on a bolt like that, you should use some 3/4 nuts and torque them to 300+ ft/lbs then see what they can do.

                                • O Opii
                                  O Opii  4 months back

                                  You should test the Tesla model s vs the Porsche. 🤪