Keep Your Hanna Alkalinity Checker Performing at Its Best

Maintain fast, accurate alkalinity testing with the Hanna HI755-26 / HI772-26 Marine Alkalinity Checker Reagents. These genuine Hanna replacement reagents are designed for use with both the HI755 Marine Alkalinity Checker HCand the HI772 Marine Alkalinity (dKH) Checker HC, making it easy to keep your checker ready for routine reef aquarium testing.

Each package provides 25 tests using pre-measured, high-purity reagents that eliminate the guesswork associated with traditional liquid test kits. Simply prepare your sample, add the reagent, and let your Hanna Checker deliver quick, repeatable digital results.

Manufactured in Hanna Instruments' state-of-the-art facilities, every reagent is lot-numbered and expiration dated to ensure quality, consistency, and traceability.

Key Features

• Genuine Hanna Instruments replacement reagents
• Performs 25 alkalinity tests
• Compatible with both HI755 and HI772 Marine Alkalinity Checkers
• Pre-measured reagents for fast, convenient testing
• High-purity chemicals for accurate, repeatable results
• Lot numbered and expiration dated for quality assurance
• Ideal for routine reef aquarium monitoring

Compatibility

Compatible with:

• Hanna HI755 Marine Alkalinity Checker HC
• Hanna HI772 Marine Alkalinity (dKH) Checker HC

The HI755-26 and HI772-26 reagents are interchangeable and can be used with either compatible Hanna Marine Alkalinity Checker.

Specifications

• Part Number: HI755-26 / HI772-26
• Quantity: 25 Tests
• Method: Colorimetric
• Parameter: Marine Alkalinity
• For Saltwater Aquariums

What's Included

• Hanna Marine Alkalinity Checker Reagents
• 25 Individual Tests

Why You'll Love It

Accurate alkalinity testing is one of the most important parts of maintaining a successful reef aquarium. These genuine Hanna replacement reagents help ensure your checker continues providing reliable digital measurements, making it easier to monitor stability and confidently adjust your dosing routine.

Why Buy from Infinity and Beyond Aquatics?

At Infinity and Beyond Aquatics, we stock genuine Hanna Instruments products trusted by reef hobbyists around the world. Whether you're maintaining a mixed reef or an SPS-dominated system, we're here to provide the equipment and supplies you need to keep your aquarium thriving.

Shipping Information

FREE Standard Shipping

This item ships within 1–3 business days, and tracking information will be emailed as soon as your order ships.

• FREE Standard Shipping on qualifying orders over $100 (U.S. only)
• Orders below the free shipping threshold are calculated at checkout based on your selected shipping method.
• This item is carefully packaged to help ensure it arrives in excellent condition.