Pool Check Test Strips 5 in 1 50 per bottle

• TESTS FOR: Free chlorine/bromine, total chlorine/total bromine, total alkalinity, pH, total hardness
• Results in 20 seconds

Tests: Detection Range

• Free chlorine/bromine: 0, 0.5/1, 1/2, 3/6, 5/10, 10/20 ppm
• Total chlorine/total bromine: 0, 0.5, 1, 3, 5, 10 ppm
• Total alkalinity: 0, 40, 80, 120, 180, 240 ppm
• pH: 6.4, 6.8, 7.2, 7.6, 8.2, 9.0
• Total hardness: 0, 50, 120, 200, 400, 1000 ppm