Free shipping on equipment from €69*

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HI772 Marine Alkalinity (dKH) Checker Mini-Photometer HANNA

Alkalinity Checker (up to 20.0 dKH) HI772 - HANNA The HI772 Checker® HC (portable colorimeter) is a simple, accurate, and affordable tool for measuring alkalinity in degrees of calcium hardness, commonly abbreviated as dKH. Alkalinity is one of the most important parameters to keep under control in marine aquariums.