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๐ Calibrate like a pro, measure like a master!
Brightwell Aquatics Refractometer Calibration Standard is a 60 ml precision fluid designed to calibrate seawater refractometers, hydrometers, and density measuring devices. Featuring 35 ppt salinity, 1.0264 specific gravity, and 1.3394 refractive index, it ensures accurate, reliable readings essential for aquatic professionals and enthusiasts alike.


| Customer Reviews | 4.3 out of 5 stars 402 Reviews |
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