Test strips measure as follows:
- Free Chlorine: 0 to 10 ppm
- Graduated at 0, 0.5, 1, 2, 4 and 10 ppm (mg/L)
- Total Chlorine: 0 to 10 ppm
- Graduated at 0, 0.5, 1, 2, 4 and 10 ppm (mg/L)
- pH: 6 to 8.5
- Graduated at 6.2, 6.8, 7.2, 7.8, 8.4
- Total Hardness: 0 to 425 ppm
- Graduated at 0, 25, 50, 120, 250, 425 ppm
- Total Alkalinity: 0 to 240 ppm
- Graduated at 0, 40, 80, 120, 180 and 240 ppm
Color chart on the side of each container50 test strips per package
Read and follow the instructions on the container for accurate readings
