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 StaffYou'll Also Like 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. Article MEMBERS ONLY Post-Souring Gravity, Multi-Batch Brew, Priming a Keg, and Fermenting Lemon Juice Do you know how much sugars are consumed during the souring process for kettle-soured beer? The Wiz explains Lactobacillus souring and has tips for multiple-batch brewing, priming in a keg, and making . . . lemon beer?