HI-93715-01 Ammonia MR Reagent by Hanna Instruments provides accurate colorimetric ammonia measurements using the Nessler Method (0.00–10.00 mg/L range). Pre-made for simplicity, these high-quality reagents perform 100 tests and are clearly labeled with expiration date and lot number for complete traceability. Ideal for use with Hanna’s portable and benchtop photometers, ensuring precise and reliable results.