Hanna

HANNA INSTRUMENTS HI782-25 Nitrate HR Checker Reagents

eagent refill for Nitrate High Range Colorimeter HI782 - Marine Water as well as the Marine Master HI97105 Multiparameter Photometer. Enough reagent for 25 tests. Item #: HI782-25

HANNA INSTRUMENTS Phosphate Low Range Colorimeter HI713 Hanna Checker

Why does BRS recommend this? The Hanna Phosphate Checker is an awesome little tool that will give you accurate easy to read results.  If you have bad eyes or have a hard time with color change...

HANNA INSTRUMENTS HI713-25 Phosphate Checker Reagents

Phosphate reagent refills for the easy to use, handheld Hanna Low Range Phosphate Checker HI713.  Reagents for 25 tests.

Hanna Deionized Water

Perfect for the Hanna Calcium Checker! Ultra-Pure deionized water that keeps your titration tests accurate and repeatable. The biggest complaint about the Hanna Calcium Checker is when the sample is...