i am new at this , and using a  c/s gen. from herbal remedies..  
herbalremedies.com
a complete kit,, which i like,, with a 800 number for any advise, by a  
master herbalist,, just now sure, of what ppm i am producing, is anyone else  
using 
this item, if so, would appreciate any comments or concerns,, thanks again  
to all, geo.