This is the long sought after pacman yeast from a very popular brewery in Newport, Oregon. Homebrewers rave about the clean ferment this yeast provides for all ales. This strain has a wide range of temperature threshold from 55F-78F. We recommend fermenting at 64-66F for the ultimate experience.Do I need to make a starter for an Activator?No. The Activator is designed to deliver professional pitch rates (6 million cells/ ml.) when directly added to 5 gallons of wort. (