She initiated him into the mystical writings of those abstracted saints, and she engaged him in the study of alchemy, which served at once to prepare him for the conception of Faust and for the scientific researches of his later days. During his stay at Frankfort [Frankfurt] he wrote very ...
As yeasts age, starve or otherwise loose their vitality, it becomes increasingly difficult for them to pump H+from their cells into the beer. After all, this goes against nature’s desire to equalize everything and therefore takes energy. The result is a slight rise of the beer pH after p...