| Platform | 
Semi-quantitative test strips | 
| Parameter | 
Total hardness | 
| Brand | 
AQUADUR | 
| Gradation | 
Total Hardness - 0 • 5.4 • 10.8 • 18.8 ppm CaCO₃ | 
| Color change | 
Total hardness - green → red | 
| Evaluable on reflectometer | 
No | 
| Additional reagent | 
No | 
| Storage temperature | 
4−30 °C | 
| Shelf life | 
2 Years | 
| Scope of delivery | 
50 test strips in a tube | 
| Hazardous material | 
No | 
 
            
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