Lamotte Insta-test strips 3-in-1

These 3-in-1 pool and hot tub test strips measure Free Chlorine 0-10 ppm, Bromine 0-20 ppm, Total Alkalinity 0-240 ppm, and pH 6.2-9.0. A dip-n-read system with instant results. Each package contains 50 strips packaged in a waterproof bottle with a hinged cap.