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
Free Chlorine Checker® HC - HI701
Advanced Dissolved Oxygen Benchtop Meter with Optical DO Probe (opdo®) - HI6421-02
Waterproof pHep®5 pH/Temperature Tester - HI98128
Advanced Conductivity Benchtop Meter - HI6321-02
Advanced pH/ORP Benchtop Meter- HI6221-02
Combo pH/Conductivity/TDS Tester (Low Range) - HI98129
Silica Low-Range Checker® HC - HI705
Silica High-Range Checker® HC - HI770
pH/ORP/Temperature Combo Tester - HI98121
Professional Waterproof Portable pH/ORP Meter - HI98190
T-Shaped Fahrenheit Thermometer (300mm) - HI145-30
T-Shaped Celsius Thermometer (300mm) - HI145-20
T-Shaped Fahrenheit Thermometer (125mm) - HI145-01
T-Shaped Celsius Thermometer (125mm) - HI145-00
Marine Salinity Waterproof Tester - HI98319
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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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