Quote: Well there is an explanation for everything, not sure I am sharp enough to explain your experiment's results so far. But since you have a technical background, how do you observe corrosion inside an airtight alum container?
All 4 alum tanks I made with a real short filler neck and gas caps(production stuff) and 2 have vents.. I just open the cap and look in with a flash light.. then change the fuel and put the cap back on.. pretty simple... (to keep it air tight, fill it all the way up)
