API POND 5 IN 1 POND TEST STRIPS Pond Water Test Strips 25-Count Contains one (1) API POND 5 IN 1 POND TEST STRIPS Pond Water Test Strips 25-Count Helps monitor water quality and prevent invisible water problems that can be harmful to fish Measures pH Nitrite, Nitrate, Carbonate Hardness, and General Hardness in pond water Testing is fast, easy, and accurate, just dip and read Use weekly for monitoring and when water or fish problems appear. Pond care 5 in 1 multi colored dip strips Five different ways to protect fish from dangerous water conditions Includes a stay dry tube that offers superior moisture protection Accurate and easy to use Measures 5 important parameters: pH, Nitrite, Nitrate, carbonate hardness, and general hardness