In a message dated 5/1/04 10:05:16 AM, LeeH920226 at aol_com writes: << 1000 ppm TDS which is about 3000 microsiemens/cm >> Whoops, that should be 1666 microsiemens/cm Lee Harper Media, PA To join the AKA see http://www.aka.org/pages/join.html Archives are at http://fins.actwin.com/killietalk/