Quote Originally Posted by sizzle2008
Thanks for the info everyone. I checked my batch number on my QF 4.0 and and it ends in 08, so I think it's good to go. I'm still a little worried about keeping it the right temp. I do have a warmer but I am not going to open it until the day of the test. I think I just have the first time jitters. No matter how many people say it works, it's like I can't believe it until I try it.
Feeling the same way here this week. Will post back with my results when it's over with. Good luck. :thumbsup:
dI00Ib Reviewed by dI00Ib on . QF 4.0 vs. 4.2? Temperature strip accuracy? Hello, my name is Steve, and this is my first post after several months of "lurking". I've looked through the substitution sticky and I appreciate all the advice that everyone has posted. I have a test coming up, and a few months ago I purchased some QuickFix 4.0. I've noticed that there is now a 4.2, and I have seen people recommend switching to 4.0 if they have 3.0, but not so much about the difference between 4.0 and 4.2. The only thing I could really find is that 4.2 is less proven than Rating: 5