The HI774 Ultra Low Range Phosphate Checker® HC (Handheld Colorimeter) is a cost-effective way to measure phosphate in marine systems, including reef tanks. Testing for phosphates is standard practice for saltwater aquariums and provides valuable insight into your reef tank’s water chemistry to help ensure long-term coral health. Phosphates are one of the many forms of phosphorus compounds found in marine waters. Excessive phosphate levels can prevent calcification, skeletal formation, and growth of many coral species, particularly those referred to as SPS or small-polyp stony. In addition, high phosphate levels can cause nuisance algae growth in your reef tank. This can become problematic because algae often outcompete sessile organisms for light, nutrients, and space, jeopardizing long term coral health in your reef.
- Take our portable handheld colorimeter anywhere.
- Simple, one-button design makes getting your results easy.
- Improve your technology and upgrade from your standard test kit.
|Range||0.0 to 0.90 ppm as NH₄⁺|
|Accuracy @ 25°C/77°F||±0.02 ppm ±5% of reading|
|Light Source||LED @ 525 nm|
|Light Detector||silicon photocell|
|Method||adaptation of the Standard Methods for the Examination of Water and Wastewater, 20th edition, Ascorbic-Acid method|
|Environment||0 to 50°C (32 to 122°F); RH max 95% non-condensing|
|Battery Type||(1) 1.5V AAA|
|Auto-off||after 7 minutes of non-use and 2 minutes after reading|
|Dimensions||81.5mm x 61mm x 37.5mm (3.2″ x 2.4″ x 1.5”)|
|Weight||64 g (2.25 oz.)|
|Ordering Information||HI774 Checker® is supplied with (2) sample cuvettes with caps, phosphate ULR reagent starter kit for 10 tests, batteries, instructions, and quick start guide.|