The high range chlorine test strip is 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.
- Helps make better decisions for water adjustments
- Free chlorine: 0-600 ppm (mg/l)
- 100 strips per bottle
