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HI781-25 Marine Nitrate Checker Reagents, 25 Pieces
HI719-25 Magnesium Hardness Reagents, 25 Tests for the HI719 Checker Magnesium Hardness Photometer.
HI719 Freshwater Magnesium Hardness Colorimeter, 0.00 to 2.00 mg/l
HI93703-50 Cuvette Cleaning Solution (230 mL)
HI4115 Silver/Sulfide Combination Ion Selective Electrode
HI7032L Calibration Solution 1382 mg/L TDS (500mL Bottle)
The HI97700 Pocket photometer for ammonia LR has a high accuracy and is extremely intuitive.
HI7091L Pretreatment Reducing Solution for ORP electrodes (500 mL)
The HI4012 lead/sulfate selective electrode is a potentiometric half-cell sensor
The HI4009 cyanide selective electrode is a potentiometric half-cell sensor
The HI4007 chloride ion selective electrode is a potentiometric half-cell sensor
The HI4104 calcium ion-selective electrode is a complete potentiometric cell
The HI4101 ammonia ion-selective electrode is a complete potentiometric cell that contains both a silver/silver chloride (Ag/AgCl) reference and a pH measurement element.
HI767 Checker photometer for Nitrite LR in Saltwater starter kit with reagents and 2 cuvettes
HI733 Checker photometer for Ammonia HR
The HI747-25 are the replacement reagents for the HI747 Copper Low Range Checker® HC.
HI755-26 Marine Alkalinity Checker reagents, 25 tests
Use the HI98127 pH/Temperature Tester for quick and accurate measurement of pH values or temperature.
The HI97733 Pocket photometer for ammonia HR has a high accuracy and is extremely intuitive.
The HI4014 potassium ion selective electrode is a potentiometric half-cell sensor
The HI4010 fluoride selective electrode is a potentiometric half-cell
The HI4113 nitrate ion selective electrode is a complete potentiometric cell
The HI4112 lead/sulfate selective electrode is a complete potentiometric cell
The HI4109 cyanide selective electrode is a complete potentiometric cell