Hanna Instruments HI772-11 / 772-11 | Marine Alkalinity dKH Checker HC Calibration Check Set
Water Type:Saltwater
TheHI772-11 Marine Alkalinity (dKH) Checker® HC Calibration Check Setis designed to validate the accuracy of theHI772 Marine Alkalinity Checker® HC. This set ensures reliable dKH measurements for reef and marine aquariums by confirming your Checker® HC against reference standards. Each kit includes a Certificate of Analysis, providing traceability for peace of mind in critical reef-keeping tests.
- Specifically designed for the HI772 Marine Alkalinity Checker® HC
- Validates accuracy of dKH readings in saltwater aquariums
- Includes two sealed cuvettes (blank + standard solutions)
- Certificate of Analysis included for verification and traceability
- Reusable with long shelf-life stability
- Standard value: 5.0 dKH +/- 0.3 @ 25°C
More Information
| Brand | Hanna Instruments |
| Product Type | Calibration Check Set |
| Compatibility | HI772 Marine Alkalinity Checker® HC |
| Water Type | Saltwater |
| Contents | 2 sealed cuvettes (blank + standard solutions) |
| Certificate | Included with traceable reference values |
| Standard Value | 5.0 dKH +/- 0.3 @ 25°C |
| SKU / MPN | HI772-11 / 772-11 |
| Use Case | Validates accuracy of dKH alkalinity measurements in reef tanks |
Browse more Aquarium Testing Kits and Hanna Instruments.
FAQ
- Freshwater or saltwater?Saltwater. This calibration set is made specifically for marine alkalinity testing.
- When should I use it?Periodically or when readings seem inconsistent, to confirm accuracy of your HI772 Checker® HC.
- Why calibrate alkalinity?Stable alkalinity is crucial for coral growth and maintaining a balanced reef system.






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