Aquarium Salinity Tester Seawater Salt Meter Fish Tank Salinity Measuring Device for Fish Tank Pond Saltwater water
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【Application Range】Suitable for warm water (20-30℃). A change in temperature will cause a change in the reading. Unit specific gravity is accurate to ±0.001.
【Usage】Insert the hydrometer at least 15 cm p into the tank (if the insertion line is less than 15 cm, the grease on the tank will affect the accuracy of the test).