Digital Refractometer

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    …3 seawater measurements scales * S.G. - The current standard of Specific Gravity hydrometers and refractometers.   The Milwaukee Instruments MA887 digital refractometer is easy to calibrate and easy to read and provides highest accuracy possible for the measurement of…

    $124.99 Regular Price: $

    …Phosphates. Hanna Instruments HIREEF2 Test kit includes everything you need to digitally monitor your saltwater aquarium's vital elements, and also a digital temperature and salinity testing pen. Using a digital colorimeter style test kits ensures that the readings can be repeated time and time…

    $255.00 Regular Price: $
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