I've got a question about Wyeast Smack-packs. What is the coding on the top right? Is it a best used by date or a manufactured date? I've gotten answers for both and I figured it was time to know for sure. If anybody has a reference link too, that would be awesome. Thanks.
Never mind, I found it with a little bit of digging. http://www.wyeastlab.com/hb_productdetail.cfm?ProductID=16#
