Hanna Instruments HI764-25 / 764-25 | Nitrite Ultra Low Range Checker Reagents (25 Tests)
Keep yourHI764 Nitrite Ultra Low Range Checker® HCperforming with accuracy using genuineHI764-25 reagents. Each kit provides enough pre-measured, high-purity chemicals for 25 tests, ensuring reliable nitrite readings in your aquarium. Designed for ultra-low detection, these reagents are essential for reef aquariums where even trace nitrite levels can harm corals and livestock.
- Includes reagents for 25 tests
- Compatible with the HI764 Nitrite Ultra Low Range Checker® HC
- Pre-measured for convenience and consistent results
- Manufactured with high purity chemicals
- Lot number and expiration date clearly printed for traceability
- Ideal for monitoring nitrite at ultra-low concentrations (0–200 ppb)
More Information
| Brand | Hanna Instruments |
| Product Type | Nitrite Reagent Kit |
| Compatibility | HI764 Nitrite Ultra Low Range Checker® HC |
| Tests Included | 25 |
| SKU / MPN | HI764-25 / 764-25 |
| Use Case | Ultra-low nitrite monitoring for marine and reef aquariums |
Explore more Aquarium Testing Supplies and Hanna Instruments.
FAQ
- Is this for freshwater or saltwater?Best suited for marine and reef aquariums where nitrite levels must remain ultra-low.
- How many tests are included?Each kit contains reagents for 25 tests.
- Do these work with other checkers?No, they are specifically designed for the HI764 Ultra Low Range Checker® HC.






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