AquaChek High Range Chlorine test strips are useful for determining when chlorine is in excess of 10 to 20 ppm in pools and hot tubs. It can also be used in applications where sterilization and disinfection is required, measuring up to 600 ppm
Product Details:
- Free Chlorine: 0 - 600ppm (mg/L)
- 100 test strips per bottle
