Cup of tea

You can find out the hardness of your water supply below:

Your Water Hardness is:

Hardness - Clarke Degree = 34.5

Hardness - French Degree = 49.3

Hardness - German Degree = 27.6

Given that different manufacturers of appliances measure the hardness levels on different scales we have listed the various measures above.

Please consult your appliance manual to determine the correct value to use.

Want to know about what causes water hardness and need some advice on water softeners, take a look at the factsheets below: