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Product code: HI758
Brand: HANNA INSTRUMENTS
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CALCIUM TEST HI758 – Hanna Checker HC for Marine Aquariums, High Accuracy and Ease of Use
The HI758 Calcium Test from Hanna’s Checker® HC line is a compact and precise digital tester specifically designed to measure calcium levels in marine aquariums. Ideal for reef enthusiasts, this portable photometer uses the Zincon method with dedicated powdered reagents, offering greater accuracy and ease of use compared to traditional liquid test kits.
With just one button for all operations, the HI758 delivers accurate and reliable readings within seconds, featuring a 1 ppm resolution and ±6% accuracy. Its range of 200 to 600 mg/l is ideal for maintaining optimal calcium levels (400–440 mg/l) required for coral calcification, healthy coralline algae growth, and thriving invertebrates.
Lightweight and pocket-sized, this device operates with a single AAA battery (included) and includes an auto-off feature to save power. Each kit comes complete with two cuvettes, reagents for six tests, one AAA battery, and a user manual, making it a convenient solution for field or home testing.
Main features:
Measures calcium (Ca) from 200 to 600 mg/l
Zincon method with Hanna powder reagents
Resolution: 1 ppm, Accuracy: ±6%
One-button operation for simple use
Ideal for quick and precise field or home testing
610 nm LED light source, silicon photocell detector
Auto shut-off after 10 minutes
Powered by 1 AAA battery (included)
Dimensions: 81.5 x 61 x 37.5 mm, weight: 64 g
Includes cuvettes, reagents, battery, and manual
Why choose HI758 Checker HC:
The HI758 is the perfect solution for reef aquarists who demand precise, fast, and easy calcium monitoring. Designed for accuracy and convenience, this checker ensures healthy coral growth and stable water chemistry in your marine aquarium.
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