Aquatest TH - Test the Hardness of Your Water
Water tester to measure the amount of limescale in German degrees dH°
Instructions for use:
- Rinse the test cup with the test water.
- Shake it completely empty.
- Fill to 10 mL = below the meniscus.
- Add 2 drops of A.
- Mix.
- Add B drop by drop from a vertical position and mix after each addition.
- The number of drops of B until the complete color change to blue = hardness in dH°.