Ensure precise salinity and specific gravity measurements for your brackish and marine aquariums with this high-quality Sea Water Hydrometer. Designed for accuracy and durability, this hydrometer features an automatic level function that eliminates reading errors by automatically identifying the correct level. Crafted for ease of use, it delivers highly reliable and consistent readings, making it an essential tool for maintaining optimal water conditions in your aquatic environment. Key Features: · Accurate and Reliable Measurement: Provides precise salinity and specific gravity readings with an accuracy of ±0.001, helping you maintain the perfect aquatic balance. · Automatic Level Detection: Innovative automatic level function prevents errors by detecting the correct reading level, ensuring consistent and trustworthy results. · Durable and Easy to Read: Made with high-quality materials for long-lasting use, featuring clear markings for quick and effortless reading. · Laser Engraved Patent Number: Each hydrometer includes a unique laser engraved patent number, guaranteeing authenticity and quality. · Suitable for Brackish and Marine Aquariums: Ideal for testing salinity and specific gravity in both brackish and marine tanks, supporting a wide range of aquatic environments. · Temperature Range Compatibility: Designed for warm water aquariums between 20°C and 30°C; note that temperature variations may affect readings. Specifications: · Size: 9 x 12 cm · Accuracy: ±0.001 · Suitable Temperature Range: 20°C - 30°C (warm water aquariums) Package Includes: · 1 x Sea Water Hydrometer · 1 x Measuring Stick This sea water hydrometer combines precision, durability, and ease of use, making it the perfect tool for aquarium enthusiasts seeking accurate salinity and specific gravity measurements to ensure a healthy aquatic environment.