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AquaChek Chlorine 4-in-1 Test Strips provide fast, easy, and accurate pool or hot tub sanitizer and water balance testing. Just dip in water for 1 second and remove to compare to color chart.

  • Free chlorine
  • Total Alkalinity (TA)
  • pH
  • Cyanuric acid (stabilizer)
  • 50 pool & spa test strips

AquaChek Yellow Chlorine 4-in-1 Test Strips

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