HI781 Hanna Marine Low Range Nitrate Checker

Want to know accurate digital reading of your nitrate level on your reef tank?

The HI781 Marine Nitrate Low Range Colorimeter is designed to accurately determine low range nitrate levels in saltwater aquariums and marine applications. With a digital read out, there is no more struggling to determine colors visually. 

• Range: 0.00 to 5.00 ppm (as NO3–) [0.0 to 50.0 ppm (calculated) using dilution]
• Built-in timer so you don't miss a step.
• Saltwater Compatible