Home Forum Ask A Member Painting gas tanks.

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  • #233783
    Timothy McDonald
    Participant

      The red ’47 Neptune tank was halfway full of rusty fuel when I pulled it from a snow bank eight years ago.
      It wasn’t leaking. I’ve had it in the electrolysis bath for a week. I now have about two dozen holes over 2mm and another 30 smaller. Every side is leaking. What to do?

      #233796
      Timothy McDonald
      Participant

        Are these tanks welded or soldered?

        #233816
        aquasonic
        Participant

          US Member

          I put PVC pipe around the iron pipe to insulate it. Iron pipe is both inside and outside.

          IMG_20210307_222118178

          • This reply was modified 3 years, 11 months ago by Mumbles.

          I’m not sure that this electrolysis setup is correct. With the tank immersed in the electrolyte, the current from the exposed and submerged positive charger clamp is not insulated at all. Your steel tank may be acting as a sacrificial anode.

          #233825
          Timothy McDonald
          Participant

            I agree. This setup I stopped using and began only filling the tank with solution. I really didn’t see any difference. Either way, when the gas tank is full of holes, such as the Neptune tank, it is not possible to only fill the tank with water/solution since it just leaks out. I did try this, putting only half the tank in solution and the negative clamp outside the solution. Raises the question ….if one clamp is to be submerged, which clamp should it be?

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