Thanks for your replies, and Changeling1 thanks for the links.
So Its not really necessary to use a Processor but temp has to be correct in first bath.
should aggitation be continious or intermittent ?
How about devtimes ?
I read in some of the old threads that some made their own tempering bath using aqarium heaters in coolers :rolleyes:
So the color changes with the pH ? Is that so in all chemistry ?