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These test strips provide a fast and precise method to determine water hardness without complicated devices or long waiting times. The color change facilitates reading and makes the use comprehensible even for laypersons.
The test strips contain specially developed indicators that respond to water hardness.
Dip the test strip in the water for 1 second, shake it lightly, and read the result after 1 minute. Compare the color of the strip with the color scale on the packaging to determine the water hardness.
The recommended daily dose should not be exceeded. Food supplements are not a substitute for a varied and balanced diet as well as a healthy lifestyle. Keep out of reach of small children.


