Earlier I confirmed how to remove rust using kitchen utensils. This works nice for comparatively flat areas, however it may be a ache for issues with intricate corners and crevices, like nuts and bolts. At the moment, I’m going to point out you the best way to use stuff out of your storage(*).

(*) When you don’t know the place that’s, it’s the place individuals are likely to retailer all of the stuff they don’t have room for in the remainder of the home.

To take away rust, we’ll want

  1. A big 12V battery (costly choice) or significantly better, a automotive battery charger able to supplying 2 amps. I’ve a pleasant guide Schumacher with huge copper windings—none of that digital stuff.
  2. Sodium carbonate also referred to as washing soda. Yow will discover the Arm and Hammer selection in a yellow field within the laundry detergent part. If not, go to the gardening/pool part and search for pH booster or pH up, which is what I bought.
  3. A chunk of iron or carbon metal. Don’t use stainless-steel as that comprises quantities of metals which might be poisonous. I take advantage of a door hinge, however rebar is ideal. The necessary factor is that it has a big floor space.
  4. A plastic container (not metallic!!!!).

I’m not going to explain the setup, however simply offer you some links.

Issues which might be good to know

  • The answer is reusable. You possibly can maintain it ceaselessly.
  • Except you used stainless-steel, the answer can also be non-toxic. It’s basically cleaning soap water with rust in it—and it appears fairly gross.
  • You should use sodium bicarbonate (present in baking soda) which is barely about half as efficient, nevertheless it’s higher simply to get the sodium carbonate.
  • The bigger the floor space of your sacrificial anode, the sooner the method.
  • When you like your clamps, don’t let the constructive/crimson one contact the answer however maintain it dry. The damaging could be submerged no drawback.
  • The upper the amp, the warmer the method. This isn’t good. Simply persist with 2 amp.

Silly issues you shouldn’t do!

  • Don’t use sodium chloride (kitchen salt) it produces chlorine gasoline which isn’t solely not excellent for you. It’s also extremely flamable.
  • Don’t smoke or do something that causes sparks. Maintain the charger so far as doable from the answer. The response releases hydrogen (in addition to chlorine gasoline when you’re being silly). Suppose Hindenburg. So maintain it exterior in a well-ventilated space.
  • Do NOT use a metallic bucket. Think about the place the ions wish to go, proper? To the rusty bolt on the bottom clamp, not the bucket.
  • Don’t stick your arms within the water. Don’t stick anything within the water.
  • Make completely positive the clamps AND no matter is connected to the clamps don’t contact one another and brief circuit. Your charger gained’t like that!
  • 12V isn’t going to kill you except your resistance is low, which by the way is the case in case your arms are moist and lined in electrolyte, otherwise you’re carrying a metallic bracelet or rings by which case, … nicely, simply don’t.

I’m positive there are different silly belongings you shouldn’t do, so when you really feel like you don’t perceive the bodily and the chemical course of, possibly it’s higher to depart it alone.

Apart from that I’ve had nice success with it. In contrast to the aluminum foil, it actually will get each nook and cranny, though it’s a must to wait a few ours for it.

So when you didn’t understand it earlier than, you now know two strategies which collectively can take away most rust and make issues look a lot newer. I don’t find out about you, however I get a kick out of it. I take advantage of it to revive bikes, one thing which I’ll let you know extra about tomorrow.


Attention-grabbing truth: You possibly can MacGyver this by connecting a 12V automotive alternator to your bicycle or treadmill and get the sodium carbonate by burning sea kelp and dripping water via the ashes.


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Initially posted 2009-08-27 00:19:14.

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