Profile:Â This Carlsberg type yeast is the most widely used lager strain in the world. This strain produces a distinct malty profile with some ester character and a crisp finish. A versatile strain, that is great to use with lagers or Pilsners for fermentations in the 45-55Â°F (8-12Â°C) range. It may also be used for Common beer production with fermentations at 65-68Â°F (18-20Â°C). A thorough diacetyl rest is recommended after fermentation is complete.