The salinity meter for aquarium, a sea water hydrometer specifically calibrated for scales of 1,000-1,030, is a must-have tool for any saltwater enthusiast. It's temperature-corrected, ensuring accurate readings from 18 to 28 degrees Celsius, making it a versatile solution for various marine environments. Constructed of clear plastic, it allows for easy observation and quick adjustment of salinity levels in your aquarium or saltwater basin. This instrument guarantees crystal-clear water, essential for the health and survival of marine life.