Coffee valve knows water quality determines coffee quality.

16 Oct 2018

The coffee valve tells everyone that coffee contains 98% of the moisture.So the quality of water is very important for coffee.

Coffee should be made in fresh water, with minerals and oxygen, and the water should be medium or lower in hardness. If the hardness of water exceeds 10 degrees (dH), we recommend using a filter cartridge called CLARIS.

If possible, the carbonate hardness of the coffee-brewing water should be low, because carbonate hardness negatively affects the taste of the coffee and produces an insoluble carbonate precipitate. When this happens, it is recommended that CLARIS be used with a filter to remove most of the toxins and chlorinated compounds in the water.

Tag: coffee valve

Originally published 16 Oct 2018, updated 16 Oct 2018.


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Roasted coffee cannot be put directly into a sealed package, because the coffee need to "breathe", that is, the carbon dioxide gas will be released.

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This is a hole punched before installing the degassing valve, which purpose is to discharge the CO2 released and avoid the oxidation of coffee.