Two more threads of interest from RC on the new I.O salt.
http://www.reefcentral.com/forums/sh....php?t=1714505
The second thread, while starting out about cost of I.O., gets into what people are finding for levels of the new production of the salt, and comments by Randy Holmes-Farley about I.O. and it's makeup.
http://reefcentral.com/forums/showth...cium+magnesium