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Instant Ocean SeaTest Hydrometer

CODE: AS02503

The Instant Ocean Hydrometer delivers precise full-range salinity and specific gravity readings--accurate to 0.001. Easy to read display...
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Only $10.35

Milwaukee Electronic Seawater (Salinity) Refractometer

CODE: MI00887

The MA887 Milwaukee Seawater (Salinity) Refractometer is an optical instrument that employs the measurement of the refractive index to...
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Only $113.02

Captive Purity Refractometer

CODE: CP2111

The Captive Purity Refractometer is an incredibly accurate and easy to use device that eliminates the confusion associated with...
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Only $59.99

Captive Purity Refractometer with Calibration Dial

CODE: CP2113

The Captive Purity Refractometer is an incredibly accurate and easy to use device that eliminates the confusion associated with...
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Only $69.99

Captive Purity Refractometer with Light

CODE: CP2115

The Captive Purity Refractometer is an incredibly accurate and easy to use device that eliminates the confusion associated with...
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Only $89.99

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