The KEXIAO High Accuracy 5 in 1 Water Tester is a must-have for aquariums, hydroponics and laboratories. This reliable device can measure salinity, temperature, TDS, pH, and ammonia simultaneously, ensuring safe and healthy conditions for aquatic life. Its precision, down to 2 ppm for salinity and 0.1 pH units, guarantees accurate results and consistent performance. The KEXIAO's intuitive LCD display and easy-to-read measurements make it quick and painless to monitor and adjust water parameters. Its compact size, making it portable and convenient for travel, makes it perfect for home use or lab settings. With the KEXIAO, you can trust that your aquatic ecosystem is thriving, and your water remains safe and clean.