The Hanna Instruments HI782‑25 Marine Nitrate High Range Checker® Reagents are the official replacement packets for the HI782 Checker HC. Manufactured in Hanna’s state‑of‑the‑art facility, these high‑quality reagents are pre‑measured for convenience and prepared with high‑purity chemicals to ensure accurate nitrate testing in saltwater aquariums. Each packet is clearly marked with a lot number and expiration date, providing full traceability and confidence in every test.
• Pre‑made reagent packets for simple, hassle‑free testing
• High‑purity chemical formulation ensures precise nitrate measurements
• Lot number and expiration date printed on each packet for reliable traceability