References
1. www.howstuffworks.com/swimming-pool1.htm
2. 'Guide 2 - Swimming Pools, Managing School Facilities' DFEE pub. 1993
3. www.c3.org/chlorine_knowledge_center/pools.html.
4. CRC Handbook of Chemistry and Physics
5. www.ftech.net/~jshep/pools.htm
The sources of pictures used are quoted with each picture.
Links
For other sites try www.poolsolutions.com or reference 1 above also has a lot of useful links on pool chemistry.
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