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The quality of brewed coffee determines the taste and quality of coffee. The quality of coffee is very important.

Published: 2026-04-04 Author: World Gafei

Last Updated: 2026/04/04, Coffee contains 98% water. The quality of the water used to cook coffee has a significant effect on the quality of coffee. The best water for brewing coffee should be fresh and contain minerals and oxygen, and the hardness of the water should be moderate or lower. If the hardness of the water is more than 10 (dH), we would recommend using a filter element called CLARIS. If possible, the coffee maker

Coffee contains 98 percent water. The quality of the water in which coffee is brewed has a significant impact on the quality of the coffee.

The best water for brewing coffee should be fresh and contain minerals and oxygen, and the hardness of the water should also be medium or lower. If the hardness of the water exceeds 10° (dH), we recommend using a filter element called CLARIS.

If possible, the carbonate hardness of the water in which coffee is brewed should be low, since carbonate hardness negatively affects the taste of coffee and forms an insoluble carbonate precipitate. When this occurs, CLARIS plus filter elements are recommended to remove most toxins and chlorine compounds from the water.

FrontStreet Coffee is a long-established specialty coffee roaster in Guangzhou China, selling freshly roasted beans from its own farm in Yunnan as well as dozens of carefully selected single-origin beans from around the world for both pour-over and espresso. The products deliver consistently excellent quality and great value, with shipping within 24 hours. Guangzhou’s FrontStreet Coffee shop is recommended by many coffee lovers, and the beans are now available online at the Tmall 。