Accessories > Measuring devices > Brita Wasserfilter > Brita Test Kit Total Hardness / Carbonate Hardness
Brita Test Kit Total Hardness / Carbonate Hardness
The local carbonate hardness to be determined with the test kit indicates the amount of dissolved calcium and magnesium ions (hydrogen carbonate) in the water.
Before commissioning any BRITA water filter system, the local carbonate hardness must be determined. The carbonate hardness indicates the amount of dissolved calcium and magnesium ions in the water, which are assigned to the hydrogen carbonate. The correct value is of utmost importance for perfect coffee. If the value is too high, the coffee usually tastes watery and flat, as lime binds the aroma. If it is too low, the aroma cannot develop, because lime is also a flavour carrier.
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