![Bacteria Souring Methods Best Practice](https://staging.lallemandbrewing.com/admin/wp-content/uploads/2023/10/souring-methods-thumbnail.png)
Modern sour beer making methods employ the use of bacteria (usually lactic acid bacteria and brewing yeast) to produce a very clean and drinkable sour beer in a relatively short amount of time. This document reviews the different methods utilized by brewers for souring with bacteria.