Easytouse handheld water tester with a resolution display and automatic temperature compensation delivers accurate readings in any environment. Compact, portable, and built to endure field use. Versatile across multiple settings: suitable for drinking water checks, pool maintenance, aquaculture management, and laboratory research. Provides quick, reliable measurements of salinity, specific gravity, and temperature from a single device. Durable construction and simple operation make it a practical choice for homeowners, aquarium enthusiasts, and hydroponics gardeners who demand precise water data. Practical use scenarios: Verify household drinking water quality to ensure safety and suitability for consumption. Monitor pool salinity and temperature to optimize sanitation and comfort. Track salinity and temperature in hydroponic nutrient solutions or aquarium setups to support healthy growth and stable conditions.