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auto shut-off on low water
Memory Function
not just another flashlight
easily adjust water flow
Salinity Refractometer Planted Aquarium auto shut-off on low waterIt is designed for testing the concentration of salt water and brine and used for quality control in research and clinical laboratories and marine industry. Its scale provides a direct reading of the specific gravity and concentration (part per Thousand) of salt in water. One scale checks the NaCl levels with the range of 0 100 ppt (with 1 ppt scale divisions) and the other scale gauges Specific Gravity with a range of 1. 000 to 1. 070 (0. 001
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