Zerodis Sea Hydrometer Salinity Specific Gravity Test Concentration Aquarium Testing Tool for Fish Tank Water Marine Saltwater(#1)

Clearly Full Scale -- The full scale of this sea hydrometer has easy-to-read markings and clearly indicates the safe area. It is small and waterproof and does not require a sensor wire. Quick to Read -- The hydrometer is designed to provide temperature?corrected readings in warm water aquarium, fast, easy, accurate, durable and easy to read. Convenience -- The function of this hydrometer is to test the concentration specIfically, which is convenient to judge the results. Automatic Level Function -- This sea water hydrometer has an automatic level function, which can automatically identify the level to avoid errors. The aquarium hydrometer is suitable for the detection of brackish water and marine fish tanks. Guarantee -- Quality checks strictly in every section during the fabrication. If you have any questions about our product, please contact us. We will be very happy to answer questions and resolve problems for you. 7/24 email support.