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Product code: HI772
Brand: HANNA INSTRUMENTS
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HI773 MARINE ALKALINITY TEST – Hanna Checker® HC for Saltwater Aquariums
The HI773 Marine Alkalinity Checker® HC by Hanna Instruments is a professional-grade, pocket-sized photometer designed for accurate and user-friendly testing of alkalinity in saltwater aquariums. More precise and easier to use than traditional titration kits, the HI773 is perfect for reef keepers who require fast and reliable test results.
Using the Zincon colorimetric method, this Checker offers 1 ppm resolution and a ±5% accuracy, ensuring trustworthy measurements every time. Its compact, ergonomic design fits in your hand or pocket and features a single-button operation for convenience. Powered by one AAA battery, it includes an auto-off function to conserve power.
Designed exclusively to measure alkalinity, the HI773 uses Hanna’s specialized powder reagents for high-quality readings. Ideal for tracking KH levels in reef aquariums, it supports stable water chemistry and coral health with laboratory-level performance.
Main features:
Digital alkalinity photometer using the Zincon method
Range: 0–300 ppm with 1 ppm resolution
Accuracy: ±5% of reading ±5 ppm at 25 °C
LED at 610 nm and silicon photodetector
Single-button operation for ease of use
Auto shut-off after 10 minutes or after reading
Powered by one 1.5V AAA battery (included)
Ideal for marine and reef aquariums with high chemical stability demands
Supplied with 2 cuvettes, reagents for 6 tests, battery, and manual
Why choose the HI773 Hanna Test:
The HI773 Checker® HC combines lab-grade accuracy with compact convenience. Whether you're a hobbyist or a professional aquarist, this tool allows precise KH monitoring essential to coral health and marine tank balance. Reliable, fast, and easy to use, it's a must-have for any reef aquarium setup.
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