ArticleSour Sans Bacteria – Brewing with lactic acid-producing yeast New strains of yeast are being released in dizzying array thanks to yeast wranglers. Discover some of the benefits and pitfalls of these new strains being offered.Already a member? Log InWritten by Michael TonsmeireYou'll Also Like Article MEMBERS ONLY Hop Extracts - Advanced Brewing These hop extracts roughly fall into two categories, those primarily intended to add bitterness and those where aromatics are the goal. Article FREE Brewing With Wine Yeast Wine yeast ferments wort differently when compared to brewer’s yeast, but that doesn’t mean brewers can’t use them. Michael Tonsmeire offers some tips and ideas for their use.