Hanna Marine Nitrate HR Handheld Colorimeter Reagents (HI-782-25)
The Hanna Marine Nitrate HR handheld Colorimeter Reagents, HI-782-25, are specially formulated for use with the Hanna Marine Nitrate High Range Colourimeter. These reagents are essential for accurately measuring nitrate levels in marine aquariums. Each pack contains 25 tests, ensuring a long-lasting supply for regular monitoring. The reagents are pre-measured, making them easy and convenient to use, which helps to maintain the accuracy of the colorimeter readings. Ideal for aquarists who are keen on maintaining optimal water conditions, these reagents are crucial for detecting nitrate levels that could potentially harm marine life. Their reliability and precision make them an indispensable tool for anyone looking to ensure the health and well-being of their marine ecosystem.
Product Specifications
| Item | Details |
|---|---|
| Reagent Type | Marine Nitrate High Range |
| Test Quantity | 25 tests per pack |
| Compatibility | Hanna Marine Nitrate HR Colourimeter |
| Usage | Measuring nitrate levels in marine aquarium water |
FAQ
How long does a pack of HI-782-25 reagents last?
A pack contains 25 tests and can last depending on the frequency of water testing. With regular monitoring, it typically lasts several weeks.
Are these reagents suitable for all types of marine aquariums?
Yes, these reagents are specifically designed for use in marine aquariums and are suitable for measuring nitrate levels in a variety of marine environments.
Can the reagents be stored for long periods without losing accuracy?
Please contact customer service

Jessica Bailey –
I’ve been using these reagents for three months now and they’ve been very reliable. The color change is clear and easy to read. I test my tank weekly and the readings help me adjust my water changes properly.
Yvonne Walsh –
The reagents work well with my Hanna Nitrate HR device. I appreciate the pre-measured format—it saves time and reduces errors. The 25-test pack lasts longer than I expected.
Harry Clark –
My marine tank has been stable since I started using these reagents. I can detect nitrate spikes early, which helps prevent algae growth and keeps my fish healthy.
Trevor Terry –
Easy to use and consistent results. I didn’t have any issues with the color development or accuracy. Good value for the number of tests included.