Water and Coffee Acidity: How to Adapt Your Water for Different Extraction Methods – 25 Magazine, Issue 9

MARCO WELLINGER of ZHAW (Wädenswil, Switzerland) explains why alkalinity is more important than pH and why you should adjust your water recipes to your beverage ratio and extraction method. Even as raindrops are falling to earth, gases already diffuse into it, most notably CO2. The dissolved CO2 combines with water to form carbonic acid, which …

Addressing Water Quality Issues: Common Vocabulary

By SCOTT MANLEY of La Marzocco for the Coffee Technicians Guild (CTG) blog. The CTG is an official trade guild of the SCA dedicated to supporting the coffee industry through the development of professional technicians. Learn more about the CTG here. I took chemistry in high school and I have a certificate in Horticulture from a community …