How to use the test strip:
- Run water through the tap (1. min.)
- Keep the strip in the water (1. sec.)
- Shake the strip.
- Wait 1. min.
- Set the hardness level of your machine.
NOTE: The factory hardness level setting is “3”. If the water is well water or has a hardness level above 90 dF, we recommend that you use filter and refinement devices.