You might try taking a look at

http://www.selfhelpandmore.com/homew...bove/index.htm

I know that this website is directed at above ground pools, but I think a lot of the information presented is applicable to both. He also has another page for in-ground but it is not as detailed as the aboveground page.

http://www.selfhelpandmore.com/homew...perm/index.htm