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 MEMBERS ONLY The Raw Deal With Raw Ales, Seltzer Nutrients and Grain Milling Considerations Not boiling your wort then pitching with a traditional strain of yeast has been dubbed brewing a raw ale. The Wiz delves into questions surrounding this technique of brewing as well as hard seltzer nutrients and milling already crushed grains.