ArticleCollaborative FermentationsBy pitching two different yeast strains it is possible to play to the strengths of both strains.Already a member? Log InWritten by Michael TonsmeireYou'll Also Like Article MEMBERS ONLY 10 Summer Extract Recipes Summer is a time to brew lighter, more refreshing beers. Fortunately, there’s no shortage of styles that fit the bill. From 10 homebrew retailers, we share 10 easy-drinking and easy-to-brew summer beer recipes. Article FREE Wort Aeration – Providing an environment to flourish Wort aeration is an important part of growing happy and healthy yeast in your fermenter. Aaron Hyde explains the how, what, why, and when of this technique.