So, you want to make a kettle sour, eh? This is truly one of my favorite styles to brew because, while the raw materials may be simple, executing this style to perfection is a challenge that requires absolute control of your process from start to finish.
pH Targets
For a kettle sour, pH is of obvious importance. I find it helpful to outline the various pH targets—throughout the course of the brew day, kettle-souring, and fermentation—to make sure I’m doing everything right to achieve those targets. Our pH targets are as follows: