Maintain Accurate Calcium Testing with Genuine Hanna Reagents

Keep your Hanna HI758 Marine Calcium Checker HC performing with the accuracy you expect using genuine HI758-26 Marine Calcium Checker Reagents. Designed specifically for the HI758 Checker, these high-quality replacement reagents deliver fast, consistent calcium measurements that help maintain a healthy reef aquarium.

Each kit provides enough reagent for 25 calcium tests and includes both Reagent A and Reagent B required for testing. The pre-measured reagents eliminate guesswork while helping ensure repeatable, laboratory-quality results every time you test.

Manufactured using high-purity chemicals, every reagent is lot numbered and expiration dated to provide complete traceability and quality assurance.

Key Features

• Genuine Hanna Instruments replacement reagents
• Performs 25 Marine Calcium tests
• Includes both Reagent A and Reagent B
• Designed specifically for the HI758 Marine Calcium Checker HC
• Pre-measured reagents for quick, consistent testing
• High-purity chemicals for dependable results
• Lot numbered and expiration dated for quality assurance
• Ideal for routine reef aquarium maintenance

Compatibility

Compatible with:

• Hanna HI758 Marine Calcium Checker HC

These reagents are designed exclusively for use with the HI758 Marine Calcium Checker.

Specifications

• Part Number: HI758-26
• Quantity: 25 Tests
• Parameter: Marine Calcium
• Testing Range: 200–600 ppm Calcium
• Method: Zincon Method
• For Saltwater Aquariums

What's Included

• Hanna HI758-26 Marine Calcium Reagents
• Reagent A
• Reagent B
• Enough Reagents for 25 Tests

Why You'll Love It

Calcium is one of the most important elements for coral growth and skeletal development. Using genuine Hanna replacement reagents ensures your HI758 Checker continues providing the fast, accurate digital measurements needed to confidently maintain stable calcium levels in your reef aquarium.

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

Shipping Available Nationwide

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.