Hanna Checkers

HI-98319 Waterproof Salinity TesterThis pocket sized meter is waterproof and perfect for the measurement of salinity aquariums using conductivity t...

The HI-782 Marine Nitrate High Range Colorimeter is specifically designed to quickly and accurately determine high levels of nitrate for saltwater...

Alkalinity helps to maintain a stable pH, a vital factor for most aquatic life. Corals also need an adequate level of alkalinity in order to suppor...

Designed as a more accurate alternative to chemical test kits, the HI-774 provides quick, accurate phosphates up to 0.9ppm in a few easy stepsEasie...

The HI731315 are spare glass cuvettes and plastic caps used with the HI7XX Checker® HC colorimeters. Each cuvette has a 10 ml level mark to measure...

Ideal for salt water aquariums and coral reef tanks Designed to measure calcium in reef tanks, the Hanna Calcium Checker is perfect for corals and...

*New Version*HI783 Marine Magnesium handheld checker is designed to determine the concentration of magnesium in saltwater aquariums.Easier to use a...

The HI-702 Copper high range Checker is a simple, accurate and cost effective way to measure high ranges of copper in water. Reads from 0.00ppm - 5...

Phosphate directly inhibits calcification by corals and coralline algae - even at low levels. The health of plants in freshwater aquaria will als...

Ideal for salt water aquariums and coral reef tanks Specially designed for salt water, the HI-736 Phosphorus Checker will measure vital phosphor...

With a digital read out, there is no more struggling to determine colors visually. This nitrate tester's compact design fits in your pocket or stor...

Over the years however, acidification tendency is to decrease 0.1 to 0.2 pH units/century. Acidification is a consequence of carbon dioxide (CO₂) a...

Better Features for Better Testing – Let your photometer guide you through setup, calibration, and testing with on-screen tutorials and animations...

HI784 Marine Ammonia handheld checker is designed to determine the concentration of ammonia in saltwater aquariumsEasier to use and more accurate t...

HI-772-11 is a high-quality set of calibration standards that allows users to validate the Marine Alkalinity Checker® HC - HI-772. The HI-772-11 in...

Hanna optional Checker HC Calibration Sets provide a simple solution to validating your Checker HC. Each high quality set of standards is manufactu...

The HI-731321 glass cuvettes are supplied as a pack of 4 and are suitable for use with the HI-7** Checkers, HI-83099-02 and the HI-83200 & HI-8...

Ideal for salt water aquariums and coral reef tanks. Designed exclusively for saltwater aquariums, the HI-755 offers a quick, easy and highly accu...

The HI-731331 is a pack of 4 glass cuvettes for use with the HI-977 & HI-967XX portable photometers series, HI-833 photometers, and turbidity m...

Nitrites are an intermediate form of nitrogen produced when ammonia is converted into nitrate during the nitrogen cycle. As organic matter decays...

The large LCD is easy to read and the auto shut-off feature ensures the battery life will not be drained if you forget to turn it off. Ideal for ...

The HI-708 Checker is a simple, accurate, and cost effective way to measure high ranges of nitrite Designed as a more accurate alternative to che...

The HI731336N are the replacement caps that screw on the glass cuvettes used with the HI977xx series portable photometers. Each cap has a locking i...

The HI-707 Nitrite Low Range Checker is a simple, accurate and cost effective way to measure low ranges of nitrite. Designed as a more accurate alt...