Ensure accurate and reliable alkalinity testing with the Hanna Instruments HI772-26 / HI755-26 Alkalinity Checker Reagents (25 Tests). Tailored for use with the HI772 and HI755 Checker HC units, each packet contains finely measured reagents that facilitate fast, dependable, colorimetric readings.

Manufactured to high standards in the USA, each packet displays lot number and expiration date for quality tracking. With this set, you can confidently monitor alkalinity—both in marine aquariums and freshwater environments—using trusted scientific instrumentation. Perfect for aquarists, labs, or spa owners requiring precise dKH readings.

Key Features:

Includes 25 pre-measured reagent packets

Compatible with HI772 and HI755 Alkalinity Checker HC

Guaranteed traceability with lot numbers and expiration dates

Supports marine and freshwater applications

Made by Hanna Instruments, ensuring lab-grade reliability