Hanna Instruments HI755-11 / 755-11 | Marine Alkalinity Checker HC Calibration Check Set
Water Type:Saltwater
Ensure reliable alkalinity testing with theHI755-11 Calibration Check Setdesigned for theHI755 Marine Alkalinity Checker® HC. This set includes sealed cuvettes that let you quickly validate your checker’s accuracy within its range of 0–300 ppm CaCO₃, essential for maintaining stable reef conditions.
- Designed for use with the HI755 Marine Alkalinity Checker® HC
- Includes two sealed cuvettes: zero and standard
- Standard value:100 ± 10 ppm CaCO₃ @ 25 °C
- Supplied with Certificate of Analysis (lot, reference values, expiration)
- Reusable with long shelf-life stability
More Information
| Brand | Hanna Instruments |
| Product Type | Calibration Check Set |
| Compatibility | HI755 Marine Alkalinity Checker® HC |
| Water Type | Saltwater |
| Contents | 2 sealed cuvettes (blank + standard) |
| SKU / MPN | HI755-11 / 755-11 |
| Use Case | Validate marine alkalinity readings in reef aquariums |
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FAQ
- Freshwater or saltwater?Saltwater. This set is made specifically for the HI755 Marine Alkalinity Checker.
- Do I need this for everyday testing?No — it’s for validating accuracy, not routine use.
- How often should I check calibration?Every few months or when results appear inconsistent.
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