- Sku: HI781-11
- Vendor: Hanna
Hanna Instruments HI781-11 / 781-11 | Marine Nitrate Low Range Checker HC Calibration Check Set | Saltwater
Hanna Instruments HI781-11 / 781-11 | Marine Nitrate Low Range Checker HC Calibration Check Set
Water Type: Saltwater
The HI781-11 Calibration Check Set is designed for the HI781 Marine Nitrate Low Range Checker® HC. This set provides a simple and accurate way to validate nitrate readings in the critical low-range levels that reef aquariums depend on. Each kit includes sealed cuvettes with a blank and standard solution, and is supplied with a Certificate of Analysis for traceability and reliability. Essential for reef keepers who want to ensure precise monitoring of nitrate levels for coral health and stability.
- Designed for use with the HI781 Marine Nitrate Low Range Checker® HC
- Includes two sealed cuvettes: zero and standard
- Supplied with Certificate of Analysis (lot number, reference values, expiration)
- Reusable with long shelf-life stability
- Manufactured in a state-of-the-art facility using reagent grade chemicals
More Information
Brand | Hanna Instruments |
Product Type | Calibration Check Set |
Compatibility | HI781 Marine Nitrate Low Range Checker® HC |
Water Type | Saltwater |
Contents | 2 sealed cuvettes (blank + standard) |
Certificate | Included for traceability and accuracy |
SKU / MPN | HI781-11 / 781-11 |
Use Case | Validate nitrate readings in reef aquariums |
Browse more Aquarium Testing and Hanna Instruments.
FAQ
- Freshwater or saltwater? Saltwater. This calibration set is specifically for marine aquariums.
- Do I need this every time I test? No, it’s only for periodic validation of the Checker® HC.
- Why is this important? Regular calibration ensures accurate nitrate readings, which are vital for coral growth and reef stability.
Have a question?

Hanna Instruments HI781-11 / 781-11 | Marine Nitrate Low Range Checker HC Calibration Check Set | Saltwater