Pool Check 3 in 1 Pool & Spa Water Test Strips

Overview Pool Check 3in1 offers the user more than just another test strip; it offers accurate results that you can rely on. Pool Check 3in1 has been specially designed to work in both pools & spas, both chlorine systems & bromine systems. Economically priced, Pool Check 3in1 is the ideal choice for the average pool or spa owner. Parameters & Detection Ranges Free Chlorine: 0, 0.5, 1, 3, 5, 10, 20 ppm Bromine: 0, 1, 2, 6, 10, 20, 40 ppm Total Alkalinity: 0, 40, 80, 120, 180, 240, 360 ppm pH: 6.0, 6.4, 6.8, 7.2, 7.6, 8.2, 9.0 Packaging: bottle of 50 test strips Details