Hanna Instruments HI774-11 / 774-11 | Phosphate Ultra Low Range Checker HC Calibration Check Set
Water Type:Saltwater
Validate the accuracy of yourHI774 Phosphate Ultra Low Range (ULR) Checker® HCwith theHI774-11 Calibration Check Set. This pair of sealed cuvettes (zero + standard) lets you quickly confirm your checker is reading correctly for ultra-low phosphate levels in reef aquariums (checker range 0.00–0.90 ppm as phosphate).
- Designed for the HI774 Phosphate ULR Checker® HC
- Includes two sealed cuvettes: zero and standard
- Standard value:100 ± 10 ppb phosphorus @ 25 °C
- Reusable with long shelf-life stability
- Supplied with Certificate of Analysis (lot, reference values, expiration)
More Information
| Brand | Hanna Instruments |
| Product Type | Calibration Check Set |
| Compatibility | HI774 Phosphate ULR Checker® HC |
| Water Type | Saltwater |
| Contents | 2 sealed cuvettes (blank + standard) |
| SKU / MPN | HI774-11 / 774-11 |
| Use Case | Validate ultra-low phosphate readings for reef aquariums |
Browse more Aquarium Testing and Hanna Instruments.
FAQ
- Freshwater or saltwater?Saltwater. The HI774 line is built for marine phosphate testing.
- How often should I validate?Every few months or whenever results seem off.
- Do I need it for daily tests?No — this is for calibration validation, not routine testing.
Reviews
There are no reviews yet.