Hanna Instruments HI735-11 / 735-11 | Total Hardness Low Range Checker HC Calibration Check Set | Freshwater & Saltwater

Hanna Instruments HI735-11 / 735-11 | Total Hardness Low Range Checker HC Calibration Check Set

Water Type: Freshwater & Saltwater

The HI735-11 Total Hardness Low Range Checker® HC Calibration Check Set is the essential tool for verifying the accuracy of your HI735 Total Hardness Low Range Checker® HC. This certified kit includes two sealed cuvettes (blank + standard solution) and comes with a Certificate of Analysis, providing traceable reference values and expiration dates. Designed for aquarium use and water testing, it ensures reliable results whether you’re monitoring freshwater systems or reef tanks.

• Designed for the HI735 Total Hardness Low Range Checker® HC
• Works with both freshwater and saltwater aquariums
• Includes two sealed cuvettes (blank + standard solution)
• Certificate of Analysis included with lot number & reference values
• Reusable with long shelf-life stability

More Information

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FAQ

• Freshwater or saltwater? Both. This calibration set works with the HI735 Checker® HC for either environment.
• What’s included? Two sealed cuvettes (blank + standard solution) with Certificate of Analysis.
• When should I use it? Use regularly to validate hardness testing accuracy, especially in sensitive aquariums.