![](https://www.jasperyeast.com/rails/active_storage/representations/redirect/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBZTA9IiwiZXhwIjpudWxsLCJwdXIiOiJibG9iX2lkIn19--c6f263fb56f0dded1ab8825594f71737972645fe/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCem9MWm05eWJXRjBTU0lJY0c1bkJqb0dSVlE2RkhKbGMybDZaVjkwYjE5c2FXMXBkRnNIYVFIcmFRSHIiLCJleHAiOm51bGwsInB1ciI6InZhcmlhdGlvbiJ9fQ==--0ae84691a2a54bdaa001a4171cb93003ce7391db/JY258-c6ea5cd054f4e0d8b2f2fdccca77b36a60d5d04122cce8b49989712f67914c49.png)
JY258 - High Pressure Lager
Ideal for fermenting lager beer in one week. Set fermentation temperature to 62-68°F (17-20°C) and maintain pressure between 6-15PSI with your spunding valve until terminal gravity is reached, often in under seven days. Cool finished beer and lager for 5-7 days. This yeast creates a quality lager while reducing fermenter tank time. Head pressure during primary fermentation reduces ester production, creating a clean lager brewed at much faster traditional ale fermentation temperatures.