𝐍𝐎𝐓𝐄𝐒：𝟭. 𝗣𝗥𝗘-𝗖𝗔𝗟𝗜𝗕𝗥𝗔𝗧𝗘𝗗 𝗔𝗧 𝗧𝗛𝗘 𝗙𝗔𝗖𝗧𝗢𝗥𝗬 𝗔𝗡𝗗 𝗥𝗘𝗔𝗗𝗬 𝗧𝗢 𝗨𝗦𝗘 𝗗𝗜𝗥𝗘𝗖𝗧𝗟𝗬—𝗡𝗢 𝗜𝗡𝗜𝗧𝗜𝗔𝗟 𝗖𝗔𝗟𝗜𝗕𝗥𝗔𝗧𝗜𝗢𝗡 𝗡𝗘𝗘𝗗𝗘𝗗. 𝗧𝗛𝗘 𝗜𝗡𝗖𝗟𝗨𝗗𝗘𝗗 𝗖𝗔𝗟𝗜𝗕𝗥𝗔𝗧𝗜𝗢𝗡 𝗣𝗢𝗪𝗗𝗘𝗥 𝗜𝗦 𝗙𝗢𝗥 𝗣𝗛 𝗥𝗘𝗖𝗔𝗟𝗜𝗕𝗥𝗔𝗧𝗜𝗢𝗡, 𝗥𝗘𝗖𝗢𝗠𝗠𝗘𝗡𝗗𝗘𝗗 𝗔𝗙𝗧𝗘𝗥 𝗘𝗫𝗧𝗘𝗡𝗗𝗘𝗗 𝗨𝗦𝗘.𝟮. 𝗜𝗙 𝗬𝗢𝗨 𝗗𝗢𝗡'𝗧 𝗛𝗔𝗩𝗘 𝗔 𝗦𝗧𝗔𝗡𝗗𝗔𝗥𝗗 𝗖𝗔𝗟𝗜𝗕𝗥𝗔𝗧𝗜𝗢𝗡 𝗦𝗢𝗟𝗨𝗧𝗜𝗢𝗡 𝗢𝗥 𝗔𝗥𝗘 𝗨𝗡𝗦𝗨𝗥𝗘 𝗔𝗕𝗢𝗨𝗧 𝗖𝗔𝗟𝗜𝗕𝗥𝗔𝗧𝗜𝗢𝗡 𝗦𝗧𝗔𝗧𝗨𝗦, 𝗣𝗘𝗥𝗙𝗢𝗥𝗠 𝗔 𝗙𝗔𝗖𝗧𝗢𝗥𝗬 𝗥𝗘𝗦𝗘𝗧 𝗕𝗘𝗙𝗢𝗥𝗘 𝗧𝗘𝗦𝗧𝗜𝗡𝗚—𝗡𝗢 𝗥𝗘𝗖𝗔𝗟𝗜𝗕𝗥𝗔𝗧𝗜𝗢𝗡 𝗡𝗘𝗘𝗗𝗘𝗗. 7-IN-1 COMPREHENSIVE WATER TESTING - Advanced all-in-one digital water tester measures 7 critical parameters: pH (0.01 accuracy), Salinity (0-9999 ppm), Specific Gravity (1.000-1.070), ORP (-999 to +999 mV), TDS (0-9990 ppm), EC (0-9990 µS/cm), and Temperature (32°F-122°F) - Eliminates the need for multiple separate testers，providing complete water quality monitoring for swimming pools, aquariums, hot tubs. ，drinking water applications in one device. HIGH ACCURACY & RELIABLE READINGS - Advanced sensor technology ensures precise measurements with ±0.01 pH accuracy, ±1% salinity accuracy, and ±0.5°F temperature accuracy，ORP ±1 mV, TDS/EC ± 1 ppm/µS/cm。Features automatic temperature compensation (ATC) for consistent results across different water temperatures. Professional-grade performance for home and commercial use.eliminating guesswork and ensuring optimal water chemistry for saltwater pools, hot tubs, and aquariums. WIDE APPLICATION VERSATILITY - Ultimate water testing solution for saltwater pools with chlorine generators, chlorine pools, spas, hot tubs, aquariums (saltwater & freshwater), hydroponics systems, koi ponds, and industrial water quality monitoring - essential tool for maintaining balanced water chemistry and safe swimming conditions. EASY TO USE & INSTANT RESULTS - Large backlit LCD display with clear readings for all 7 parameters. One-button operation with simple interface - no complex calibration required, simply immerse the probe in water and press the button to get instant readings. Portable handheld design with IP67 waterproof rating。Automatic data hold function allow easy monitoring and recording of all critical water quality indicators.perfect for on-site testing at pools, spas, and outdoor water features. Automatic shut-off saves battery life. PROFESSIONAL QUALITY & DURABLE DESIGN - Built with premium materials for long-lasting performance. Includes calibration solutions, protective carrying case, and detailed user manual. CE/FCC certified for safety and quality compliance. Complete testing kit ready for immediate use.Portable pen-style tester with waterproof IP67 rating withstands splashes and temporary submersion; includes protective cap for sensor storage, calibration powder packets, and battery for immediate use out of the box. Introducing our advanced Pool Salt Tester & pH Meter - the ultimate all-in-one water quality monitoring device designed for precision and convenience. This professional-grade digital meter combines seven essential testing functions into one compact, easy-to-use instrument, making it the perfect choice for pool owners, spa operators, aquarium enthusiasts, and hydroponic growers who demand accurate and comprehensive water analysis. Our innovative meter simultaneously measures seven critical water quality parameters: pH Level (0.0-14.0 pH): Ensures proper acidity/alkalinity balance Salinity (0-10.0%): Monitors salt concentration for saltwater pools and marine applications Specific Gravity (SG) (1.000-1.070): Measures water density for aquarium and hydroponic systems ORP (Oxidation Reduction Potential) (-1000mV to +1000mV): Indicates water sanitization effectiveness TDS (Total Dissolved Solids) (0-9990 ppm): Evaluates total dissolved particle content EC (Electrical Conductivity) (0-9999 μS/cm): Measures electrical conductivity for nutrient solutions Temperature (32°F-122°F / 0°C-50°C): Real-time temperature monitoring with automatic compensation