These mulit-parameter test strips test for five water quality measurements on 1 strip: Free Chlorine, Total Chlorine, Total Hardness, Total Alkalinity, and pH (6.2 - 8.4). 50 test strips.
Colorimeter Handheld, DR 900 Multiparameter, HACH tests, Display:Graphical display 240 x 160 pixels, 231 mm x 96 mm x 48 mm, wavelength range- 420 nm, 520 nm, 560 nm, 610 nm
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