Hanna Instruments

Hanna HI781 Marine Nitrate Low Range Tester

  • Sale
  • $ 41.65
  • Regular price $ 49.95



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