Liquid special indicator in dropper bottle for the monitoring of softened water, like DUROGNOST® SR0, set for the limit values of 0.5 = 9 ppm CaCO3 and 0.25 °dH = 4.5 ppm CaCO3.
Description
- Complete with measuring tube and stopper.
- Analyses: approx. 250
- Measuring time: approx. ½ minute