AquaChek® TruTest® Test Strips – Refill For use with AquaChek TruTest Digital Test Strip Reader. Tests for Free Chlorine/Bromine, pH and Total Alkalinity. 50 strips per bottle. Aqua Chek Trutest Digital Reader ACCURATELY READS TEST STRIPS ELIMINATES GUESSWORK This handy test strip reader was developed specifically for the pool and spa owner
