| Hanna Part No: HI-38019-pools
Uses the DPD chemical method to measure Total Chlorine in 2 ranges, low and medium range. Kit contains everything you need to carry out 100 tests in each of the kits ranges (200 tests in total).
Colour wheel comparators offer a better accuracy than the more simple colorimetric test kits. The coloured disc is graduated and fits into the hand-held comparator, where it is used to compare against a colour that has developed in the water sample after the reagent has been added.
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