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The Insta-TEST® High Range Chlorine test strips offer a convenient method to assess water for elevated levels of Free Chlorine. The range and sensitivity of these strips cover 0, 50, 100, 250, 500, and 800ppm.
| Test Factor | High Range Free Chlorine |
| Test System | Test Strip Visual Colour Comparison |
| Range/Sensitivity | 0, 50, 100, 250, 500, 800ppm |
| # of Tests | 50 |