Hanna Instruments Marine Nitrate Low Range Checker HI781

The Hanna Instruments Nitrate Low Range Checker HI781 Marine provides a simple, accurate, and affordable way to determine nitrates in your saltwater aquarium.

Get extremely accurate results with the HI781 Marine Nitrate Low Range Colorimeter. With digital measurement, there is no longer any difficulty in determining colors visually. Thanks to its compact design and small size, it fits anywhere.

• Easier to use and more accurate than chemical test kits
• The one-button operation makes the process of checking your nitrates extremely simple
• Ideal for saltwater aquariums