Interesting article from today's Wall Street Journal:
Is That Pool Really Sanitary? New Chemical Approach Has Answers.
http://www.cetusnews.com/news/Is-That-Pool-Really-Sanitary--New-Chemical-Approach-Has-Answers-.SJgg_GtJIZ.html
Is That Pool Really Sanitary? New Chemical Approach Has Answers.
http://www.cetusnews.com/news/Is-That-Pool-Really-Sanitary--New-Chemical-Approach-Has-Answers-.SJgg_GtJIZ.html