Free shipping on equipment from €69*

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Alkalinity Checker in seawater 300 mg/L HI755 Mini-photometer HANNA

Alkalinity Checker in Sea Water - HI755 - HANNA Mini-Photometer The HI755 Checker® HC (portable colorimeter) is a simple, accurate, and affordable tool for measuring alkalinity. Alkalinity is one of the most important parameters to keep under control in marine aquariums. It helps maintain a stable pH, which is essential for most aquatic species.