Pool Test Strips Insta-TEST® Free Chlorine, Bromine, Total Chlorine, Alkalinity, Total Hardness 2977-ML-BC-12 1pc

After immersing the pad in the target liquid for 2 seconds, a measurement can be made by comparing it with the color chart attached to the case. Easy to operate and fast results Measurement items: Free chlorine, bromine, total chlorine, alkalinity, total hardness Number of measurements: 50 Quantity: 1 piece Free chlorine: 0, 0.5, 1, 3, 5, 10 ppm Bromine: 0, 1, 2, 6, 10, 20 ppm Total chlorine: 0, 0.5, 1, 3, 5, 10 ppm Alkalinity: 0, 40, 80, 120, 180, 240 ppm, pH 6.2, 6.8, 7.2, 7.8, 8.4, 9.0 Total hardness: 0, 100, 250, 450, 800ppm