- Sku: HICORAL
- Vendor: Hanna
Hanna Instruments CORAL | Marine Coral Care Kit – Reef Aquarium Test Set | Saltwater
Hanna Instruments Marine Coral Care Kit 🧪🌊
Ensure optimal coral growth and reef stability with the **Hanna Instruments Marine Coral Care Kit**. This all‑in‑one bundle includes digital testing tools for calcium, alkalinity, and magnesium—providing fast, accurate readings so you can maintain healthy reef water chemistry with ease.
🔬 Complete Reef Testing in One Kit
This kit includes the **HI758 Calcium Checker HC**, **HI772 Alkalinity Checker HC**, and **HI783 Magnesium Checker HC**, along with starter reagent packs, cuvettes, syringes, and batteries. Ready to use right out of the box!
📊 Key Parameters Covered
- Calcium: 200–600 ppm (±6 ppm ±5%) resolution 1 ppm
- Alkalinity: 0.0–20.0 dKH (±0.3 dKH ±5%) resolution 0.1 dKH
- Magnesium: 1,000–1,800 ppm (±5%) resolution 5 ppm
🎯 Reef-Focused Consistency
Each checker is pre-paired with its matching HI‑25 reagent set for 25 tests: HI758‑25 (calcium), HI772‑25 (alkalinity), and HI783‑25 (magnesium). All components are optimized for marine use, providing stable operation across 0–50 °C and up to 95% humidity.
📦 What’s Included
- HI758 Calcium Checker HC & HI758‑25 starter reagents
- HI772 Alkalinity Checker HC & HI772‑25 starter reagents
- HI783 Magnesium Checker HC & HI783‑25 starter reagents
- Two 10 mL cuvettes per checker (6 total), capped
- Minipipette, plastic pipette, and 5 mL syringes (black & blue)
- Three 1.5 V AAA batteries, instruction manuals, and quick guides
This kit is everything you need to begin monitoring your reef chemistry with precision. Ideal for hobbyists, labs, or any marine environment where nutrient control is essential.
More Information
Item | Hanna Instruments Marine Coral Care Kit |
Model Number | HI-CORAL |
Parameters | Calcium, Alkalinity (dKH), Magnesium |
Calcium Range | 200–600 ppm Ca²⁺ (1 ppm resolution; ±6 ppm ±5%) |
Alkalinity Range | 0.0–20.0 dKH (0.1 resolution; ±0.3 dKH ±5%) |
Magnesium Range | 1,000–1,800 ppm Mg (5 ppm resolution; ±5%) |
Included Reagents | HI758‑25, HI772‑25, HI783‑25 (25 tests each) |
Accessories Included | Cuvettes, syringes, pipettes, batteries, manuals |
Auto Shut‑Off | 10 minutes on all meters |
Operating Conditions | 0–50 °C; ≤95% RH non‑condensing |
Warranty | 1 year |
Have a question?




Hanna Instruments CORAL | Marine Coral Care Kit – Reef Aquarium Test Set | Saltwater