The Journal
Water Chemistry
Mineral architecture, SCA targets, buffer and hardness recipes, and why the same beans taste different in another city.
Water Chemistry
SCA water standard: four documents, two numbers that survived, and a meter that sees neither
Search for the SCA water standard and you get a table no SCA document ever printed — a collage of four documents from 2009 to 2021. Two numbers survived all of them, hardness and alkalinity, and the TDS meter most people test with can see neither.