A typical swimming pool needs seven major components:

• A basin
• A motorized pump
• A water filter
• A chemical feeder
• Drains
• Returns
• PVC plastic plumbing connecting all of these elements

Links for maintenance and other questions:
www.poolandspa.com
home.howstuffworks.com/swimming-pool.htm

Pool ideas and design links:
www.masterpoolsguild.com/catalogofpools.asp
poolspaworld.com/gallery.htm