0~10% Salinity Refractometer Meter Water Reader Marine Salt Aquarium Test Tester

Salinity: 0-100 ppt. Salinity: 1ppt. Salinity: ±1ppt. 1 x Pipette. This feature allows you to get a reading outdoors when the temp is between 50'F-86" (10'C-30'C). Ideal for aquariums, marine monitoring, Agricultural, Gardening & Educational Purposes.

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