Red Sea Seawater Refractometer

Essex Marine Aquatics Verified independent store

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Red Sea seawater refractometer Integrated automatic temperature compensation Red Sea 'Reef Spec' guarantee Red Sea's seawater refractometer is specifically designed to measure abso lute salinty of seawater for reef aquariums. Calibrated for seawater. Measuring the salinity of seawater with a standard refractometer calibrated for brine (NaCl) solution will result in a deviation of up to 1.5ppt. Show more