baixikly Hydrometer Saltwater Aquarium Salinity Tester for Saltwater Aquarium Hydrometer for Testing Salinity and Specific Gravity

baixikly Hydrometer Saltwater Aquarium Salinity Tester for Saltwater Aquarium Hydrometer for Testing Salinity and Specific Gravity

• 【Material】The sea hydrometer is made of plastic, the structure is sturdy and resistant, not easy to be damaged, and has a long service life.
• 【Unique Design】Transparent design, easy to read accurate measurement readings, please wash with water after each use.
• 【Precise】Our seawater hydrometer has clear scales and small errors, with an accuracy of +(-) 0.002 specific gravity units.
• 【Tips】Please use it at a depth of 6in/15cm to avoid errors caused by inhaling the oil film on the water surface.
• 【Application】Suitable for testing salinity and specific gravity in saltwater and marine aquariums.