Hanna HI758 Marine Calcium Checker – Digital Reef Aquarium Calcium Tester

The Hanna HI758 Marine Calcium Checker is a high-precision digital colorimeter designed for measuring calcium levels in marine and reef aquariums. Unlike traditional test kits, this advanced device eliminates guesswork by providing accurate digital readings in ppm (mg/L).

Maintaining proper calcium levels is essential for coral growth, skeletal development, and overall reef health. The HI758 ensures fast, reliable, and repeatable results, making it an essential tool for both beginner and advanced reef hobbyists.

Compact, portable, and easy to use, this checker delivers professional-grade testing with simple step-by-step operation.

🔹 Key Features

✔ Accurate digital calcium measurement (ppm)
✔ Designed specifically for marine aquariums
✔ Eliminates color comparison errors
✔ Fast and easy testing process
✔ Compact and portable design
✔ Ideal for reef tanks and coral systems

🔹 Benefits

• Ensures optimal calcium levels for coral growth
• Improves reef tank stability
• Provides precise and consistent readings
• Saves time compared to manual test kits
• Enhances overall aquarium health

🔹 How to Use

1. Fill cuvette with aquarium water sample
2. Insert into checker and zero the device
3. Add reagent and mix gently
4. Insert sample and read digital result
5. Record calcium level in ppm

🔹 Specifications

• Model: HI758
• Parameter: Calcium (Ca²⁺)
• Range: Marine calcium testing
• Display: Digital LCD
• Application: Reef & marine aquariums