HI772-26 HI755-26 Alkalinity Checker Reagent

Maintain precise control of your reef chemistry with Hanna Instruments HI772-26 / HI755-26 Alkalinity Checker Reagents, a high-quality refill kit designed for use with Hanna Marine Alkalinity Checkers.

These pre-measured reagents are engineered for fast, accurate, and repeatable alkalinity testing using Hanna’s digital colorimeter system. Simply add the reagent to your sample, and the checker delivers a precise reading—eliminating guesswork and improving consistency in your reef maintenance routine.

Each kit provides up to 25 tests and uses a colorimetric reaction to determine alkalinity levels, helping you monitor one of the most critical parameters for coral growth, skeletal development, and overall reef stability.

Compatible with both HI772 (dKH) and HI755 (ppm) checkers, these reagents are essential for reef hobbyists who rely on accurate testing to maintain stable alkalinity levels.

🐠 Key Features

• Designed for Hanna HI772 (dKH) and HI755 (ppm) checkers
• Pre-measured reagents for consistent, accurate results
• Uses colorimetric method for precise alkalinity readings
• Provides approximately 25 tests per kit
• Essential for maintaining stable reef tank parameters
• Helps support coral growth and pH stability