Hanna Instruments HI758-11 / 758-11 | Marine Calcium Checker HC Calibration Check Set | Saltwater

Hanna Instruments HI758-11 / 758-11 | Marine Calcium Checker HC Calibration Check Set

Water Type: Saltwater

The HI758-11 Calibration Check Set is designed for the HI758 Marine Calcium Checker® HC. It provides a simple way to validate accuracy across the calcium testing range of 200 to 600 ppm. This high-quality set of standards includes sealed cuvettes with a blank and standard solution, supplied with a Certificate of Analysis for traceability. Perfect for reef aquarists who rely on precise calcium monitoring for coral growth and stability.

• Designed for use with the HI758 Marine Calcium Checker® HC
• Includes two sealed cuvettes: zero and standard
• Standard value: 400 ± 20 ppm calcium @ 25 °C
• Supplied with Certificate of Analysis (lot, reference values, expiration)
• Reusable with long shelf-life stability

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FAQ

• Freshwater or saltwater? Saltwater. This calibration set is specifically for marine use.
• Do I need this for every test? No, it’s used periodically to verify accuracy.
• How often should I check calibration? Every few months or whenever results appear inconsistent.