Insta Test Strips


    • Pack of 50

    The Insta-Test 4 pool & spa strip measures Free Chlorine 0-10 ppm (or Bromine 0-20 ppm), pH 6.2-8.4, Total Alkalinity 0-240 and Total Hardness 50-800 ppm. This test strip is a 1-Dip method designed to match the way strip users actually test water.

    Chlorine and Bromine systems

    Easy to use and immediate results!