Description
The HANNA INSTRUMENTS HI784 Marine Ammonia Checker is a handheld colorimeter designed for measuring ammonia levels in saltwater aquariums. It offers a user-friendly interface and precise readings, making it an essential tool for marine aquarium enthusiasts.
This pre-owned unit has been tested and is in working condition. It comes with the original case and all standard accessories, including the Marine Ammonia reagent starter kit (reagents for 10 tests), sample cuvettes with caps, a plastic refilling pipette, and a 1.5V AAA alkaline battery. The instruction manual and quick-reference guide are also included, ensuring you have all the necessary information for accurate testing.
Key features include:
- Measurement Range: 0.00 to 2.50 ppm (mg/L) NH3, suitable for coral/fish or fish-only aquarium maintenance.
- Accuracy: ±0.05 ppm ±5% of reading at 25 °C (77 °F), ensuring reliable results.
- Methodology: Utilizes an adaptation of the Salicylate Method, where the reaction between ammonia and ammonium with the reagent causes a blue-green tint in the sample.
- Portability: Compact design with dimensions of 86.0 x 61.0 x 37.5 mm (3.4 x 2.4 x 1.5 inches) and a weight of 64 g (2.3 oz), making it easy to handle and store.
- Battery Life: Powered by a 1.5V AAA alkaline battery, with an auto shut-off feature after 10 minutes of non-use to conserve energy.
This item is viewable in-store at the Cash Savvy Miller location.
(SKU: 1409851)
Disclaimer: The information provided is based on details available at the time of listing and may be subject to change. Buyers should verify details by calling Cash Savvy Miller before purchasing if unsure.





















