HI781-25 :: MARINE LOW RANGE NITRATE REAGENTS

-Marine Low Range Nitrate reagents.

- 25 tests, for use with the HI-781 Nitrate Handheld Colorimeter Checker.

-Uses the Zinc reduction method.

Use HI-781-11 Calibration Check Set with the HI-781.

- Hanna instruments 

- made in  Romania