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Water Hardness

Definition of Hardness To understand hardness, we should first ask why the concept was created. Hardness emerged around the late 19th to early 20th century. During the Industrial Revolution, boilers and steam engines suffered explosions as scale accumulated, and everyday problems arose because soap would not dissolve properly in water. The cause was traced to […]

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Chemical Composition of Brewing Water: TDS(Total Dissolved Solids)

Until the 2020s, the importance of water in coffee brewing was rarely emphasized. Many people overlooked its significance. However, as the specialty coffee industry entered the 2020s, an increasing number of professionals began to stress the critical role of water. This shift occurred because many had experienced firsthand how the chemical composition of water profoundly

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Coffee Fines

COFFEE FINES Fines are the microscopic coffee particles inevitably created during grinding. They are the smallest particles in the grind distribution, often as fine as flour. It’s a common belief that better grinders produce fewer fines and a more uniform particle size, but this isn’t always the case—nor is it always desirable. The criteria for

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