Water Tester is a compact handheld device that provides accurate readings of salinity, specific gravity, and temperature. With an advanced sensor array and an intuitive interface, it delivers fast, reliable data to help you maintain water conditions. Key benefits multi parameter measurements in a single unit, reducing the need for multiple tools eliminates guesswork with precise, easy to interpret results user friendly controls and a clear display for quick checks durable, portable design suitable for home and field use automatic temperature compensation for consistent readings What makes it better compact size fits in your hand and is easy to transport sensors designed for both freshwater and saline environments simple calibration and low maintenance upkeep to ensure ongoing accuracy Use scenarios Home drinking water: verify safety and quality for everyday use Aquarium or hydroponics: monitor salinity and specific gravity to protect aquatic life and root health Pool maintenance and laboratory research: routinely check water parameters to support healthy conditions and reliable results