I'd wondered about the little packet as well, but searching the internet did not turn up much info. I found only one or two references where people did not use the packet, and reported no problems.
Originally Posted by Roger Cole
What I don't understand is, considering the packet is supposed to be added to the full concentrate when first mixing, why would it be separated in the first place? Could it be to "season" the developer? If so, is there a reason that it would not come pre-seasoned (perhaps time-related degradation)?