The Hanna Nitrate High Range Checker and its reagents are now in stock! We have limited quantities of both so the reagents will be limited to two per customer.

These are great checkers that are much easier to use than Hanna's Low Range Nitrate checker as there is only one step to test your nitrates!


The HI782 Marine Nitrate High Range Colourimeter is specifically designed to quickly and accurately determine high levels of nitrate for saltwater aquariums and marine applications. With a digital read-out, there is no more struggling to determine colours visually.

  • Measurements with a range up to 75.0ppm
  • Less complex laboratory-grade accuracy - Requires only 1 reagent
  • Simple, intuitive digital operation
  • Compact and precise whether at home, at work, or on-the-go

Nitrate is the final step in the Nitrogen cycle. Excessive amounts of nitrates in saltwater aquariums facilitate the growth of undesirable organisms such as algae and dinoflagellates. The HI782 is a simple, accurate, and cost-effective way to measure nitrate from 0.0 to 75.0 ppm (as NO3–) in your saltwater aquarium.

September 25, 2021 — Mitchell Ballou

Leave a comment