ArticleT90 VS. T45 Hop Pellets, Light Struck Beer: Mr. Wizard Q The effect of light on wort and beer I recently noticed that hop pellets are described as either T90 or T45. What do these values mean? What are the pros andAlready a member? Log InWritten by BYO StaffIssue: March-April 2017You'll Also Like Article MEMBERS ONLY Oxidation Rates, Creating the Haze, and Pressure Fermenting in a Conical Learn how quickly beer can oxidize after packaging. Also a homebrewer has a question about getting hazy and another about making the most of their new conical. Article MEMBERS ONLY The Not-So-Great Hop Fade, Step Mashing, and Frozen Fruit The Wizard delves into the mysteries of hop fade as well as the logic of adding frozen fruit to beer and the nuances of step-mash timing.