Unfortunately, I have some other business to attend to, out of town for the next month.  I've spent the last few days preparing for that, so I apologize for the lack of updates.  The project has continued a bit since the last update.  I assembled the 5gallon cell and it is seriously under-performing...  There will be some big changes made when I return so I'm not going to go into too much detail about it until then.  Cell 9 is stable and holding in its 275ish zone, cell 10 stabilized in the 290s.  I have noticed some corrosion on the cathode of no.9 so I'll probably be moving on from copper electrodes when I return, likely to carbon.