Simply add reagent turn the wheel until the sample matches a reference color and concentration is displayed in a window each hach color disc test kit includes apparatus reagents and instructions all in a rugged carrying case. The most accurate visual test kit method hach color discs provide fast accurate comparisons range 02 7 mg l contains 100 tests simple fast color disc method. Plain english instructions for hach water quality kits greensboro alabama 36744 general instructions on using hach kits tip the nitrite color wheel only reads up to 1 2 ppm nitrite nitrogen if the sample is redder than the wheel a dilution must be performed . Save hach chlorine color wheel to get e mail alerts and updates on your ebay feed results matching fewer words hach 223103 total chlorine color disc test kit model cn 66t hach 223103 total chlorine color disc test kit model cn 66t free shipping see more like this hach 223103 total chlorine color disc test kit model cn 66t new brand new. This item hach 223101 chlorine free total color disc test kit model cn 66 6500 ships from and sold by thomas scientific hach 1407699 dpd total chlorine reagent powder pillows 5 ml pack of 100 3100 in stock ships from and sold by thomas scientific
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