I was interested to see a company here offering a non chlorine pool additive, haven't checked the details yet ..... Subject: Re: CS>swimming pools using CS
Better and more cheaply done with Colloidal Copper and Zinc
See Floatron [it's been around since the 70s ]
http://shop.solardirect.com/product_info.php?cPath=25_121&products_id=234&gclid=CNn1zqfx9rMCFQWnnQodbUMANw

