Hanna Instruments HI755-11 / 755-11 | Marine Alkalinity Checker HC Calibration Check Set | Saltwater

Hanna Instruments HI755-11 / 755-11 | Marine Alkalinity Checker HC Calibration Check Set

Water Type: Saltwater

Ensure reliable alkalinity testing with the HI755-11 Calibration Check Set designed for the HI755 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

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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.