On Mon, 14 Jul 2008 18:53:51 -0400, "SLM" wrote:

I need help with cleaning my dirty and swamp water stained aluminum jon
boat.........any suggestions on what I might use??.......thanks......

I used this stuff on my Princecraft when I spent a couple of days on a
tannin stained lake. Worked great - Don White now ownes it and he can
tell you what the hull looked like.

http://www.barkeepersfriend.com/

I've also used Boraxo which worked very well with a wet terry cloth.

http://www.boraxo.com/