Gas tank derusting

It looks like it worked pretty well. That's probably a good use for electrolysis de-rusting, since it only works by "line-of-sight" between the anode and the surface to be de-rusted. Tank baffles might pose a problem.
 
I used this process to Clean my 40 gas tank a few months ago. Turned out very well. I used a piece of 1/2” steel pipe for the electrode because it gives you more surface area. I installed it through the sending unit hole. Just don’t let it touch the bottom of the tank. Took about three days and I dumped the contents and put in a new batch every day. Had to clean the electrode several times a day. I installed an ammeter in the line between the battery and electrode. When the ammeter falls back you’ll know it’s time to clean the electrode.
 

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Ken/Alabama said:
I used this process to Clem my 40 gas tank a few months ago. Turned out very well. I see a piece of 1/2” steel pipe for the electrode because it gives you more surface area. I installed it through the sending unit hole. Just don’t let it touch the bottom of the tank. Took about three days and I dumped the contents and put in a new batch every day. Had to clean the electrode several times a day. I installed an ammeter in the line between the battery and electrode. When the ammeter falls back you’ll know it’s time to clean the electrode.
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