The eXact® Strip Micro Calcium Hardness incorporates the patented eXact® reagent delivery system created by Industrial Test Systems, Inc. which is ideal for technical and non-technical users. By dipping the eXact® strip into a photometer cell, the exact amount of reagent is released into the water causing a change in color or turbidity. The change is measured by an eXact® photometer giving the user fast and accurate results.
Includes test strips and liquid reagent. For use with eXact® photometer.
• Simple 20-second test
• Full-color development time of two minutes for results
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