-40%
RED SEA SEAWATER REFRACTOMETER
$ 44.33
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Description
Red Sea High Accuracy Seawater Refractometer. **Free Shipping**Red Sea’s Seawater Refractometer offers exceptional accuracy; for measuring the absolute salinity of seawater at a temperature of 25C/77F. Most refractometers used within the aquarium hobby are not specifically designed for reef aquariums and use an algorithm for the measurement of brine (NaCl - rather than seawater) and at a temperature of 15C/59F rather than 25C/77F. Thus; a measurement deviation of up to 1.5ppt is possible; which can have a significant adverse effect on coral growth and coloration.
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Aquatics
Water Care
Testing