Two-Pack: Hanna Instruments HI 736-25 Phosphorus Reagents (50 Tests)
HI736-25 Phosphorus Ultra Low Range Checker® HC Reagents - TWO packs 50 total tests The HI736-25 are the replacement reagents for the HI736 Phosphorus Ultra Low Range Checker® HC. These high-quality reagents are manufactured in our state-of-the-art facility and are clearly marked with the lot number and expiration date on each packet for traceability.