Nitrite Chemical Test Kit - HI3873
NPK Soil Chemical Test Kit (25 tests each) - HI3896
Soil Test™ Direct Soil EC Tester - HI98331
Direct Soil Measurement pH Portable Meter - HI99121
Phosphate Chemical Test Kit - HI3833
Free Chlorine Test Kit - HI3829F
Ammonia Test Kit for Seawater - HI3826
Hydrogen Peroxide Chemical Test Kit - HI3844
Combo pH/Conductivity/TDS Tester (Low Range) - HI98129
Ammonia Test Kit for Fresh Water - HI3824
Marine Test Kit - HI3823
Water Quality Test Kit - HI3817
Environmental Monitoring Chemical Test Kit - HI3814
Total Hardness Chemical Test Kit - HI3812
Alkalinity Chemical Test Kit - HI3811
Dissolved Oxygen Chemical Test Kit - HI3810
Boron Chemical Test Kit for Irrigation Water - HI38074
Ammonia Test Kit for Fresh Water with Checker Disc - HI38049
Amplified AmpHel® pH General Purpose Electrode – HI2910B/5
Pronto Water-resistant Wall-Mounted Precision Thermometer (°C) HI146-00
T-Shaped Fahrenheit Thermometer (300mm) - HI145-30
T-Shaped Fahrenheit Thermometer (125mm) - HI145-01
HALO® Bluetooth® Wireless Soil pH Electrode - HI12922
HALO® PEI Body Gel Filled pH Electrode with Bluetooth® - HI12302
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10 ppm and 100 ppm Chloride Calibration Standard Sachets for HI9829 (10 x 25 mL each) - HI9829-12/13
10 ppm and 100 ppm Nitrate (as N) Calibration Standard Sachets for HI9829 (10 x 25 mL each) - HI9829-14/15
10 ppm Chloride Calibration Standard Sachets for HI9829 (25 x 25 mL) - HI9829-12
10 ppm Nitrate Standard (as N) Sachets for HI9829 (25 x 25 mL) - HI9829-14
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