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Aquarium Refractometers

Hand held aquarium refractometers for salinity designed for testing the measurement of the TRUE Salinity and Specific Gravity in marine aquariums.
D-D Portable Refractometer D-D Portable Refractometer
Out Of Stock
Brand: D&D Stock: Out Of Stock
SEAWATER Refractometer D-D announces the release of a true ‘Seawater’ calibrated refractometer. (Includes a small vial of Di water for zero calibration) What’s different between our NEW refractometer and others you might ask? Almost all, if not all, of the refractometers currently available t..
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