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The HI98121 is a reliable, waterproof tester that ensures quick and easy measurements of both pH and ORP.

HI784-25 Reagents for Ammonia in Seawater, 25 Tests

HI780 Checker Photometer for pH in Saltwater starter kit with reagents and 2 cuvettes

HI767 Checker photometer for Nitrite LR in Saltwater starter kit with reagents and 2 cuvettes

This pocket photometer has been specially designed for the determination of calcium in salt water

HI707-25 Reagents for Nitrite LR, 25 Tests

HI706-25 Reagents for Phosphorus HR, 25 Tests

HI746-25 Reagents for Iron LR, 25 Tests

The HI4110 fluoride selective electrode is a complete potentiometric cell

HI767-25: Nitrite Low Range Saltwater Checker reagents, 25 pieces

HI771 Checker photometer for Total Chlorine UHR starter kit with reagents and 2 cuvettes

The HI747-25 are the replacement reagents for the HI747 Copper Low Range Checker® HC.

The HI-721-25 are high-quality reagents that are pre-measured, allowing for users to achieve fast and accurate measurements with their Iron Checker

The HI4010 fluoride selective electrode is a potentiometric half-cell

pH pocket tester with a resolution of 0,01 pH

HI717-25 Phosphate HR Reagents, 40 Tests

HI7040L Zero Oxygen Solution Set - 500 ml bottle

HI700-25 Ammonia Checker Reagents , 25 tests

The HI702 Checker photometer measures Copper HR with precise precision.

HI7032L Calibration Solution 1382 mg/L TDS (500mL Bottle)

The HI97700 Pocket photometer for ammonia LR has a high accuracy and is extremely intuitive.

The HI4014 potassium ion selective electrode is a potentiometric half-cell sensor

The HI4013 nitrate ion selective electrode is a potentiometric half-cell sensor
