Water Tester — Portable Salinity, Specific Gravity, and Temperature Meter What it does Provides fast, reliable readings of salinity, specific gravity, and temperature so you can make confident decisions about water quality. Why you need it Removes guesswork: accurate measurements let you correct water conditions before they affect plants, fish, or household use. Saves time: quick, on-the-spot readings replace slow or uncertain testing methods. Easy to use anywhere: waterproof construction and a high-resolution display make readings clear and durable in wet environments. Key benefits Accurate measurements: advanced sensors deliver consistent salinity, specific gravity, and temperature data for dependable results. User-friendly operation: intuitive interface and clear display reduce setup time and learning curve. Automatic temperature compensation (ATC): readings are corrected for temperature automatically, improving accuracy across different conditions. Portable and durable: waterproof design makes the unit suitable for field use, tanks, and work around water without risk of damage. Important attributes Functions: measures salinity, specific gravity, and temperature. Display: high-resolution screen for clear numeric readouts. Construction: waterproof for safe use in wet conditions. Performance: advanced sensors plus ATC for accurate and repeatable results. Compatibility: suitable for tap water testing, marine aquariums, and hydroponic systems. Practical use scenarios Homeowner: Verify tap water after plumbing work or when testing a private well to ensure safe, consistent conditions. Aquarium keeper: Monitor salinity, specific gravity, and temperature while mixing saltwater, performing water changes, or tracking tank stability for fish and corals. Hydroponic gardener: Check nutrient solution salinity and temperature to keep root environments stable and optimize plant health. Who it’s for Homeowners, aquarium enthusiasts, and hydroponic gardeners who need dependable, easy-to-read water measurements to maintain healthy environments. What to expect A compact, portable tester with a clear display, waterproof build, automatic temperature compensation, and advanced sensors that provide the accurate salinity, specific gravity, and temperature data required for routine water monitoring.