Good for Kolsch, Alt, and German style Pale Ales. Strong sulfur component will reduce with aging. Clean, but with more ester production than WLP029. Attenuation: 73-80%% Flocculation: Medium. Optimum Fermentation Temperature: 65-70 ˚F. Does not ferment well less than 62 ˚F. We include a FREE gel ice pack with every order of liquid yeast. There is no need to order free gel ice packs...they're automatically included. We will include one ice pack for every six yeast ordered. If you wish an order to ship with more than 1 ice pack for every six liquid yeast, you may order extra** **We recommend you do not order more than 1 ice pack for every 2 yeasts ordered. Ice packs are frozen when shipped, and there is a danger of frozen yeast.