Hanna Marine Alkalinity Colorimetric Reagents – 25 Tests (HI772-26)

The Hanna HI772-26 Marine Alkalinity Reagents are genuine replacement reagents designed for use with the Hanna Marine Alkalinity (dKH) Checker HC (HI772). Each box contains enough pre-measured reagent for 25 tests, providing fast, accurate, and reliable alkalinity measurements for marine and reef aquariums.

Key Features

25-Test Reagent Pack
Includes 25 pre-measured reagent packets, allowing for quick, convenient, and consistent alkalinity testing.

Colorimetric Testing Method
Uses Hanna’s colorimetric method, producing a colour change from yellow to green to blue. The HI772 Checker measures this colour change digitally and displays the alkalinity result in dKH.

Designed for Marine Aquariums
Specifically formulated for testing marine and reef aquarium water, helping aquarists maintain stable alkalinity for healthy coral growth and overall water chemistry.

High-Quality, Pre-Measured Reagents
Manufactured using high-purity chemicals for dependable, repeatable results. Each packet is clearly marked with a lot number and expiry date for quality assurance and traceability.

Specifications

• Brand: Hanna Instruments
• Model: HI772-26
• Product Type: Marine alkalinity reagent refill
• Method: Colorimetric
• Number of Tests: 25
• Measurement Range: 0.0–20.0 dKH
• Parameter: Marine Alkalinity (dKH)
• Compatible Checker: Hanna Marine Alkalinity Checker HC (HI772)

Ideal For

• Marine aquariums
• Reef aquariums
• SPS and LPS coral systems
• Routine alkalinity monitoring
• Professional and home aquarium maintenance

Why Test Alkalinity?

Alkalinity is one of the most important water parameters in a reef aquarium. Stable alkalinity supports healthy coral growth, proper skeletal development, and stable pH. Regular testing allows you to detect changes early and maintain consistent water conditions for fish and corals.

⚠️ Important Notes

• Compatible with the Hanna HI772 Marine Alkalinity Checker HC.
• Store reagents in a cool, dry place away from direct sunlight.
• Do not use expired reagents.
• Follow the HI772 testing procedure for the most accurate results.

Pro Tip 💡

For the most accurate readings, rinse the cuvette with aquarium water before testing and wipe the outside with a lint-free cloth to remove fingerprints, salt residue, or water spots before inserting it into the checker.