Features: Ensure a safe and clean swimming pool with our convenient Pool Test Strips. Easily test for alkalinity, hardness, chlorine, bromine, total chlorine, and more. Accurate and user friendly, our Pool Test Strips make testing easy. Just dip in water and compare color to the provided chart. No special training, equipment required. Suitable for pool owner, swimmers, and operators, our Pool Test Strips ensure a healthy swimming environment. Perfect for indoor and outdoor pools, swim clubs, and fitness centers, our Pool Test Strips essential for regular water quality check. Save money while maintaining proper pool chemistry with our cost effective Pool Test Strips. Specifications: Material: Paper Size: As Shows Number: 50Pcs/100Pcs Package Includes: Package A: 50x Water Tester Strips Package B: 100x Water Tester Strips note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.