Free shipping on equipment from €69*

Free shipping on equipment from €69* Coral and Fish update every Friday at 6 pm

Checker Calcium in seawater (200 to 600 mg/L) HI758 Mini-Photometer HANNA

Checker Calcium (200 to 600 mg/L) HI758 - HANNA The HI758 Checker ® HC (portable colorimeter) is a simple, accurate, and affordable tool for measuring calcium in seawater. Essential for the development of the calcium carbonate skeletons of coral reefs, calcium is a key element in marine waters.