https://gohustlecoffee.com/the....-science-behind-coff
How does the acid in coffee affect things? The coffee you consume is acidic, however the premises afterward are closer to neutral on the pH scale. Some argue that they retain their acid level up until combined with garden compost and its microorganisms, which neutralize it. If your soil is low in it (alkaline), either way acid is terrific. In the West, where I live, soils are alkaline and getting closer to neutral or increasing the acid content is a good idea for my strawberries, blueberries, raspberri