Sea Hydrometer Accurate Salinity Specific Gravity Test Reliable

[ACCURATE SALINITY MEASUREMENTS] Ensure optimal conditions for your marine tank with precise readings between 1.021 and 1.026. [EASY TO USE] Simply submerge the hydrometer, remove air bubbles, and read the clear scale. No sensor wire needed! [DURABLE DESIGN] Made of plastic, this hydrometer features easy-to-read markings and automatic level function. [VERSATILE APPLICATION] Suitable for brackish and marine fish tanks, this tool is ideal and enthusiasts alike. [TEMPERATURE-CORRECTED] Get accurate results in a temperature range of 68-86F, ensuring accurate testing every time.