
The HI774-25 phosphate reagent refills are designed to work seamlessly with the Hanna Checker HC and Marine Master photometer, providing an accurate measurement of ultra-low levels of phosphate in marine aquarium water. These reagents come in a convenient package of 25 packets, allowing for repeated testing over time without needing to replace your entire test kit setup. The high specificity and sensitivity of these refills make them indispensable for reef tank enthusiasts who require precise control over nutrient levels to maintain optimal coral growth and overall health.
| Manufacturer | Hanna Instruments |
| SKU | 212045 |
| Aquarium Type | Saltwater |
Price History
HI774-25 Phosphate ULR Reagents for Marine Water
Test Kits
Reference reading: Species guide on Codexery
Species guides on Codexery
- Purple tang — Scientific name: Zebrasoma xanthurum · Family: Acanthuridae source
- Open brain coral — Scientific name: Trachyphyllia geoffroyi · Family: Merulinidae source
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All-time low price on HI774-25 Ultra Low Range Phosphate Checker Reagents - Hanna Instruments
New lowest price: $16.14 (previous low: $18.99)
15% price drop on HI774-25 Ultra Low Range Phosphate Checker Reagents - Hanna Instruments
Price dropped from $18.99 to $16.14
15% off HI774-25 Phosphate ULR Reagents - Marine Water
On sale for $16.14 (regular $18.99)
All-time low price on HI774-25 Phosphate ULR Reagents - Marine Water
New lowest price: $16.14 (previous low: $18.99)
15% price drop on HI774-25 Phosphate ULR Reagents - Marine Water
Price dropped from $18.99 to $16.14











