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Amazon Price as of 02/10/2025 04:48 GMT+00:00
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average price $21.4
$0.50 higher than average
$21.15
$21.65
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Digital Salinity & Temperature Meter with ATC, Handheld Pen Type Water Quality Measurement Monitor Tester, 0~70 PPT, for Saltwater, Hydroponics, Pool, Aquarium, Fish Pond, Spa, Monitoring & Testing
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boxtech Aquarium Marine Test, Sea Saltwater Hydrometer, Reef Ocean Hydrometer Salinity Meter for Pool Aquarium Water Salinity Specific Gravity Test
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NEEBETEK Aquarium Salinity Refractometer with ATC,Salinometer 0-100 PPT,Dual Scale of Salinity and Specific Gravity,Saltwater Test Kit for Seawater, Pool, Aquarium, Fish Tank
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