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Water hardness levels are monitored on a regular basis by Mt Kynoch Water Treatment Plant in conjunction with Laboratory Services and reported as mg/L (milligrams per litre) of calcium carbonate. The water pressure zone map below and pressure zone/water hardness list is to be used in conjunction with the water hardness calculator to determine the correct setting required for certain appliances eg dishwashers.
This is used for determining water hardness in dishwashers etc.
To convert this reading to that required in dishwasher setup literature multiply the hardness of water in mg/l x type of degrees.
For example: if hardness in mg/L equals 124mg/L and a dishwasher setting required the value in German Degrees (0d), the calculation would be 124mg/L x 0.056 = 6.9 0d