ArticleAeration & Mash Hopping: Mr. Wizard Q I have been trying to come up with an easy and cost-effective way to get good aeration in my fermentations. I recently came across a device called an Oxygen Concentrator, whichAlready a member? Log InWritten by Ashton LewisYou'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 FREE Hop Shelf Life, Keg-Conditioning Beer and Planning a Nano’s Cellar A reader is interested to know about the ageability of well stored hops and whether buying last year’s, discounted hops may be a sound investment. Also learn about what makes recently brewed beer, green beer and a nano’s cellar plans.