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Refractometers

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American Marine Pinpoint Salinity Calibration Fluid
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American Marine Pinpoint Salinity Calibration Fluid
SKU: SKU18001
$7.99
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ATC Refractometer - Automatic Temperature adjustment
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ATC Refractometer - Automatic Temperature adjustment
SKU: SKU17812
$49.95
Market price: $54.95 save 9%
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Instant Ocean Saltwater Aquarium Hydrometer
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Instant Ocean Saltwater Aquarium Hydrometer
SKU: IOHYDRO
$14.95
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Milwaukee Seawater Digital Refractometer
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Milwaukee Seawater Digital Refractometer
SKU: MA887
$148.95
Market price: $151.95 save 2%
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Red Sea High Accuracy Seawater Refractometer
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Red Sea High Accuracy Seawater Refractometer
SKU: RS12018
$69.95
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