Hanna HI758 Calcium Checker Handheld Colorimeter

Designed for reef keeping, the Hanna Calcium Checker offers a quick, easy and highly accurate method of checking one of the most important water parameters for reef keeping.

Corals need adequate levels of calcium in the water to survive and thrive. Many corals use calcium to form their skeletons, drawing much of the calcium they need for the process of calcification from the surrounding water. As a result, calcium levels can quickly become depleted in marine tanks, particularly if they are housing rapid-growing corals.

Designed for reef keeping, the Hanna Calcium Checker offers a quick, easy and highly accurate method of checking one of the most important water parameters for reef keeping.

Corals need adequate levels of calcium in the water to survive and thrive. Many corals use calcium to form their skeletons, drawing much of the calcium they need for the process of calcification from the surrounding water. As a result, calcium levels can quickly become depleted in marine tanks, particularly if they are housing rapid-growing corals.

To grow and maintain healthy corals in a reef tank, it is therefore a top priority to make sure the water has an adequate level of calcium at all times.

Recognised levels of calcium
Highly accurate yet simple to use, the Hanna Checker helps avoid fluctuations in calcium levels – making it a whole lot easier to maintain optimum conditions for coral growth.

Most reef aquarists try to maintain natural levels of calcium in their tanks

Typical surface ocean value: 420 ppm
Accepted range for reef aquaria: 350 – 450 ppm
If levels drop below 360 ppm coral find it difficult to collect enough calcium and growth is stunted
Accurate and easy to use
Adaptation of the Zincon method
Accuracy ±6% of reading
1 mg/L (ppm) resolution
Designed to work with Hanna reagents
Large easy to read digits
Auto shut-off
Ideal for
Coral reef tanks
Aquaculture and aquariums
Supplied with
The HI758 Checker for Calcium comes complete with:

2 sample 10ml cuvettes
1 black cuvette cap
Starter pack of reagents for 15 tests for Calcium
Battery
Full working instructions