Re: This Electro Cleaning deal......Where did I mess up?

Posted by Glenn(WV) on October 19, 2002 at 10:54:37 from (67.201.149.157):

In Reply to: This Electro Cleaning deal......Where did I mess up? posted by John (SC) on October 19, 2002 at 07:44:00:

Make sure you have a good connection between the negative charger lead and the hub. I usually suspend the object from a 2x4 laid across the top of the tank; I then wirebrush two places on the object, connect one piece each of scrap solid-core copper wire to the wirebrushed places, twist the loose ends together, and clamp the negative charger lead to the twisted ends of the copper wire. It has been my experience that solid-core copper wire works a LOT better than stranded-core wire.

The positive side - in your case, the stainless rod - needs a LOT of surface area to work well. Try using a flat piece of steel sheetmetal. I picked up a steel(not stainless) cookie sheet at Wally World for 99 cents, and it works GREAT. Put the anode on one side of the tank and the object on the other side of the tank. Don't let them touch each other. You'll actually see the rust forming on the cookie sheet as the process continues.

If the object has grease on it, clean it off. Grease isn't a great electrical conductor. Heavy, thick paint won't help, either. You may need to score the paint first. Heavy rust may need to be cleaned up a little before treatment.

I use pure soda ash as my electrolyte. You can get it at any swimming-pool supply house. It works a LOT better than baking soda IMHO. I mix about 1/2 cup of soda ash to five gallons of water, and I use the 10 amp setting on my charger. Haven't tried washing soda. I have noticed that sometimes I have to switch quickly between the 2 amp and 10-amp settings to get things to start working(like shock therapy, lol). Turn it on and let it work for a few hours. Make sure your work area is ventilated, as the process generates hydrogen gas(remember the Hindenburg?).

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