DescriptionMaintain healthy marine environments with this seawater salinity hydrometer, a reliable tool for monitoring both salinity and specific gravity. Designed for aquariums, seafood tanks, and brackish water setups, this hydrometer provides quick and accurate readings to ensure optimal conditions for aquatic life. With a clear, easy-to-read scale and lightweight construction, it is convenient to use for routine testing. Made from durable, non-toxic plastic, this aquarium salinity hydrometer is simple to clean and built for long-term use, making it an essential accessory for aquarists and seafood farmers.FeaturesClear Readings: Measures salinity (PPT) and specific gravity with accuracy. Compact & Portable: Only 9 × 14 cm, convenient for frequent testing. Versatile Application: Suitable for aquariums, seafood tanks, and seawater testing. Durable Material: High-quality non-toxic plastic ensures long-lasting use. Easy Maintenance: Rinse and air-dry to maintain accuracy.SpecificationMaterial: High-quality plastic Dimensions: 9 × 14 cm (3.54 × 5.5 in) Measurement Range: Salinity (PPT) and specific gravity Application: Marine aquariums, seafood tanks, brackish water environmentsPackage Content1 × Seawater Salinity HydrometerNote Rinse thoroughly with warm water after use for accurate results. Avoid impacts or drops to prevent errors. Colour may vary slightly due to production batches. Manual measurement may cause 1–3 cm variation.