Hi Bob, See http://silvergen.com/ppm.htm
Trem ----- Original Message ----- From: barnb...@aol.com To: silver-list@eskimo.com Sent: Thursday, October 31, 2002 1:19 PM Subject: Re: CS>TDS/PWT meters Whatever the verbiage-- my PWT does not function, period. Probably the best solution is to replace it and ashcan the present one. But where do I order a PWT? Bob
