We did it, we got our Etrac classroom forum!-----Thanks Guv, Ray & whoever else was instrumental in starting it up for Etrac users.-------Ray, what (how low) do you go on your CO & Fe #'s on your patterns??---I know you have mentioned earlier that some of the IH's you've recovered have read pretty low (CO value).----Did some hit 25-26 (or lower)?---What was the lowest CO reading on an IH that you can remember?-----Thanks for takeing the job as moderator of this new forum. ------Del