> <<One neat thing about the silvergen unit is that it has an automatic 
> stirrer, but the site is vague on whether or not you'd need to filter the 
> CS upon it's completion.  It does specify though that it will avoid 
> agglomeration through use of the stirrer.
>  Any thoughts on these?  Does anyone know of any 'better' units?
>  Thanks!    dave>>

Dave,
I have a silvergen, its set on approx. 10ppm and there is no need to filter 
after its done, the CS is clear.  I really like my unit, its automatic w/ a 
stirrer.  Never had a problem with it and the company is helpful if you have 
questions.
Terri