AquaChek TruTest Digital Reader Replacement Test Strips Refill. For use with the AquaChek Tru Test Digital Test Strip Reader. Bottles have a convenient flip top cap for easy dispensing, 100 strips per bottle.
Tests: Free Chlorine/Bromine, pH, and Total Alkalinity.
- Free Chlorine: 0-10 ppm
- pH: 6.2-8.4
- Total Alkalinity: 0-240 ppm