Warren,
Tank is aluminum. Will have leaks. You can weld it up yourself with no
aluminum welding experience. There is a rod called HTS-2000. Here is the
link to that and a 6 minute video in two formats to download and view. The
link is http://www.aluminumrepair.com/video_new.asp and toward the last of
the video you will see a coke can welded up and then see them try to knock
out the weld. The video includes welding up a tank. The rod will also weld
up pot metal like on broken handles. I bought the rods and they work. You
can even polish the final product and not see a difference in the shine
which works well for fixing holes and cracks in the exterior skin which is
tricky due to gravity..
-Eddie-
Houston, TX