Reagent for use with the portable colorimeter Hanna Instruments HI 755 Alkalinity Checker HC.

Pre-prepared reagents for ease of use.

Reading accuracy: 0 to 300 ppm CaCO3-grams.

Manufactured with high-purity chemicals.

Marked with expiration date and batch number for traceability.

For 25 tests for the determination of alkalinity in seawater samples.