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HYDROS Salinity Reference Solution is highly recommended for calibration of refractometers, hydrometers, and salinity/conductivity equipment. It's one of the two necessary components for calibrating HYDROS Salinity Probes.
For precise calibration of refractometers, hydrometers, and salinity/conductivity equipment, CoralVue Salinity Reference Solution is highly recommended. This solution, denoted as 35PPT, is one of the two necessary components for calibrating HYDROS Salinity Probes. Also available in a 250mL bottle.
