These mulit-parameter test strips test for five water quality measurements on 1 strip: Free Chlorine, Total Chlorine, Total Hardness, Total Alkalinity, and pH (6.2 - 8.4). 50 test strips.
For low- to medium-range colorometric analysis of water quality. Range: 1-12ppm (IC). Includes 30 self-filling ampules, comparators, accessory solutions, snap cup and instructions.