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 quantity of dissolved calcium and magnesium ions (hydrogen carbonate) in the water.
The local carbonate hardness must be determined before commissioning any BRITA water filter system. The carbonate hardness indicates the quantity of dissolved calcium and magnesium ions in the water, which are assigned to the hydrogen carbonate. The correct value is extremely important for perfect coffee. If the value is too high, the coffee usually tastes watery and flat, as lime binds the flavour. If it is too low, the aroma cannot develop, as lime is also a flavour carrier.
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