Chromium VI High-Range Checker® HC - HI723
Magnesium Hardness Checker® HC - HI719
Iron Checker® HC - HI721
Phosphate High-Range Checker® HC - HI717
Bromine Checker® HC - HI716
Iodine Checker® HC - HI718
Phosphate Low-Range Checker® HC - HI713
Manganese High-Range Checker® HC - HI709
Total Chlorine Checker® HC - HI711
Nitrite High-Range Checker® HC - HI708
Waterproof Portable pH/Temperature Meter - HI991001
Phosphorus High-Range Checker®HC - HI706
Nitrite Low-Range Checker® HC-HI707
Copper High-Range Checker® HC - HI702
Mini Titrator for Measuring Titratable Acidity in Fruit Juice - HI84532-02
Advanced Dissolved Oxygen Benchtop Meter with Optical DO Probe (opdo®) - HI6421-02
Waterproof pHep®5 pH/Temperature Tester - HI98128
Multiparameter Portable pH/EC/DO Waterproof Meter - HI98199
Advanced Conductivity Benchtop Meter - HI6321-02
Advanced pH/ORP Benchtop Meter- HI6221-02
Backpack Lab Marine Science Educational Test Kit - HI3899BP
NPK Soil Chemical Test Kit (10 tests each) - HI3895
Phenols Test Kit with Checker Disc - HI3864
Glycol Chemical Test Kit - HI3859
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10 FTU Turbidity Calibration Standard - HI93703-10
10 mm Cuvette Adapter – HI7408012
10 ppm and 100 ppm Ammonium Calibration Standard Sachets for HI9829 (10 x 20 mL each) - HI9829-10/11
10 ppm Ammonium Calibration Standard Sachets for HI9829 (25 x 20 mL) - HI9829-10
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