Kuppersbusch USA EKV 6600.0 User Manual download pdf (Page 23)

7.3.6 AquaPrima water filter

Water quality

Coffee can only taste as good as the water with which it is made. A ready-made cup of coffee

comprises at least 98% of water. It is mainly the pH value and the lime content that influence the

taste of coffee.

The optimal pH value for a good cup of coffee is in the neutral range of between 6.5 and 7.5. Coffee

will taste bitter if the pH is higher. On the other hand, if it is lower coffee will take on a slightly tart

taste.

Water hardness defines the lime content of water. It is indicated in degrees of German hardness

(°dH). The optimal water hardness level should be more than 7°dH to 8°dH. If the water is not hard

enough the flavouring will not have sufficient aroma carriers. The result: coffee will taste bland.

Hint: If the water is too soft, i.e. if the pH level is below 6°dH, simply mix a pinch of salt with the

coffee in the filter paper. This will release the flavour into the coffee without leaving a salty taste. If

the water is too hard, it would be advisable to use the AquaPrima water filter. This filter optimises

the pH value and the water hardness.

Using the water filter

AquaPrima water filter

Insert the water filter

according to package insert

` Fill up with fresh water (max.

1.7 litres)

Open the control panel by pressing

the bar handle

` Remove watertank

` Insert watertank

` The machine can be used without a water filter but will then need

to be descaled more frequently. Using a water filter improves the

quality of the coffee and results in less wear and tear to the

components.

Training manual Section 7 – Page 23

Coffee machines

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Kuppersbusch USA EKV 6600.0 User Manual Page 23