Thanks for the tip on freezing to remove sulfur compounds along with water.  
One last question if I may, does removing said contaminants effect the pain 
relieving qualities?  I'm hoping to retain that quality and still carry the EIS 
deeper into the tissue. Not trying to avoid research, as I have plenty to do to 
make this work with the gel.  Is that a "bad' idea?  Seems like it should work, 
if it doesn't kill me!  lol....Am not trying to steal ideas, and get rich, just 
want to stop pain. I will share my findings for free, knowing pain relief is 
too great a gift to let greed control.  And I hate pills!  Have been studying 
post stroke spasticity, and the associated pain for two years now.  Thanks, for 
every ones help!    mlbrown    ps. Ode is the man , got my gel kit quick, and 
for less $.