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On Sale 22%
On Sale 22%HI98319 Salinity & Temperature Tester - Hanna
Hanna Instruments$99.99$77.99We are pleased to announce our NEW HI98319 waterproof salinity and temperature tester! Waterproof and floats! Includes 4x of the Salinity Calibration Fluid Packets. -
On Sale 22%
On Sale 22%HI782 Marine Nitrate High Range Checker - Hanna Instruments
Hanna Instruments$74.99$58.49The HI782 Marine Nitrate High Range Colorimeter is specifically designed to quickly and accurately determine high levels of nitrate for saltwater aquariums and marine applications. With a digital... -
On Sale 22%
On Sale 22%Glass Cuvettes and Caps for Checker® HC Colorimeters - set of 2 (HI731315) - Hanna Instruments
Hanna Instruments$15.99$12.47The HI731315 are spare glass cuvettes and plastic caps used with the HI7XX Checker® HC colorimeters. Each cuvette has a 10 ml level mark to measure the appropriate volume. The HI731315 includes 2... -
On Sale 22%
On Sale 22%HI781 Saltwater Nitrate Low Range Checker - Hanna Instruments
Hanna Instruments$67.99$53.03Get accurate water testing results with the HI781 Marine Nitrate Low Range Colorimeter. With a digital read out, there is no more struggling to determine colors visually. This nitrate tester's... -
On Sale 22%
On Sale 22%HI772-11 Marine Alkalinity (dKH) Checker® HC Calibration Check Set - Hanna Instruments
Hanna Instruments$32.99$25.73The Marine Alkalinity (dKH) Checker® HC Calibration Check Set - HI772-11 provides a simple solution to validating the Marine Alkalinity Checker® HC - HI772 that has a range of 0.0 to 20.0 dKH. This... -
On Sale 22%
On Sale 22%Large Glass Cuvette with Cap for Marine Master Test Kit - set of 2 (HI731360) - Hanna Instruments
Hanna Instruments$27.99$21.83The HI731360 is a replacement glass cuvette, with a cap, for use with the HI977 series of portable photometers. 2 pieces Cuvette and cap Optically clear glass -
On Sale 22%
On Sale 22%HI774-11 Phosphate Ultra Low Checker® HC Calibration Check Set - Hanna Instruments
Hanna Instruments$18.99$14.81The Phosphate Ultra Low Range Checker® HC Calibration Check Set provides a simple solution to validating the Phosphate Ultra Low Range Checker® HC - HI774 that has a range of 0.00 to 0.90 pp as... -
On Sale 22%
On Sale 22%(HI782-11) Marine Nitrate HIGH RANGE Certified Check Set - Hanna Instruments
Hanna Instruments$25.99$20.27The Marine Nitrate High Range Checker® HC Calibration Check Set - HI782-11 provides a simple solution to validating the Marine Nitrate High Range Checker® HC - HI782. This high-quality set of... -
On Sale 22%
On Sale 22%HI758-11 Marine Calcium Checker® HC Calibration Check Set - Hanna Instruments
Hanna Instruments$25.99$20.27The Marine Calcium Checker® HC Calibration Check Set - HI758-11 provides a simple solution to validating the Marine Calcium Checker® HC - HI758 that has a range of 200 to 600 ppm calcium. This... -
On Sale 22%
On Sale 22%HI755-11 Marine Alkalinity (ppm) Checker® HC Calibration Check Set - Hanna Instruments
Hanna Instruments$18.99$14.81The Marine Alkalinity Checker® HC Calibration Check Set - HI755-11 provides a simple solution to validating the Marine Alkalinity Checker® HC - HI755 that has a range of 0 to 300 ppm CaCO3. This... -
On Sale 22%
On Sale 22%HI736-11 Phosphorus Ultra Low Checker® HC Calibration Check Set - Hanna Instruments
Hanna Instruments$18.99$14.81The Phosphorus Ultra Low Range Checker® HC Calibration Check Set provides a simple solution to validating the Phosphorus Ultra Low Range Checker® HC - HI736 that has a range of 0 to 200 ppb as... -
On Sale 22%
On Sale 22%HI713-11 Phosphate Low Range Checker® HC Calibration Check Set - Hanna Instruments
Hanna Instruments$18.99$14.81The Phosphate Low Range Checker® HC Calibration Check Set - HI713-11 provides a simple solution to validating the Phosphate Low Range Checker® HC - HI713 in the range of 0.00 to 2.50 ppm (mg/L)... -
On Sale 22%
On Sale 22%Copper High Range Checker® HC Calibration Check Set HI702-11 - Hanna Instruments
Hanna Instruments$32.99$25.73The Copper High Range Checker® HC Calibration Check Set - HI702-11 provides a simple solution to validating the Copper High Range Checker® HC - HI702. This high-quality set of standards is...