The Macherey-Nagel Test Strips AQUADUR Sensitive, Gradation 0-0.3-0.6-1.1 °d / 0-5-10-20 ppm CaCO3, Pack Of 50 are designed for determining water hardness. These test strips provide a colour change from green to red for practical water hardness testing applications.
These Macherey-Nagel AQUADUR Sensitive test strips are suitable for users requiring simple water hardness testing with clear colour change indication.
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