View Single Post
Old 11-17-2009, 10:13 AM
  #33  
chemsec
Member
 
Join Date: Nov 2009
Posts: 4
Default

Tried the cotton theory method many years ago and hated it.

Just took a class locally and it seems to have been perfected a bit and was much easier this go round. I recommend a class to understand the concept.
chemsec is offline