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Portable Handheld ATC Salinometer Seawater Salinity Refractometer Salinity Meter Aquarium Salinity Refractometer Halometer Salt Gauge Saltwater Test Kit 0-10% Salinity & 1.000-1.070 Specific Gravity
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CT3081 Portable Digital Salinometer Salinity Temperature Humidity Tester Meter for Salt Water Pool, Salinity Meter Digital Salinity Meter
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