Quote Originally Posted by thewayne
What about the aluminum walls that I have seen some places sale?
Aluminum does not rust, is stronger than steel by weight so it will have to have slightly thicker walls to achieve the same strength as its steel counterpart but would be lighter in the end. It is more expensive pound for pound than steel. It will still corrode from salts, chemicals (chlorine) and stray electrical currents. In my limited experience while shopping around, I never saw aluminum as an option for an inground pool. I still think galvanized would be the way to go.

Dave