What are the best pH pitching levels for brewing beer? The best pre yeast pitching pH for brewing beer is normally between 4.8 and 5.2. Related articles Can I reuse yeast? Video - Quick Overview - Craft Series Yeast Why has the ABV dropped after filtration? Why is there a black sludge on the inside of my GF30? What is it and how do I clean it? How to calculate the alcohol percentage of the spirit