50Pcs Chlorine PH Test Strips Multipurpose 5 In 1 Aquarium Test Strips Accurate
Total Alkalinity: 0-40-80-120-180-240. Total Bromine: 0-1.0-2.0-5.0-10.0-20.0. Residual chlorine: 0-0.5-1-3-5-10. 50 x Chlorine PH Test Strip. examination range pH value: 6.8-7.2-7.4-7.6-8.0-8.4. Total hardness: 0-100-250-500-1000.