- The pH tester is ready to use straight out of the box. Simply dip the probe into the liquid to start testing. Its compact size makes it easy to carry and operate, allowing anyone to measure the quality of drinking water, pool water, fish tanks, garden water, and more. The device features a green backlight LCD for clear visibility of measurements in any lighting condition. - Designed for precision, this TDS meter offers a larger testing range and greater accuracy compared to other devices. It features a 5-in-1 function, allowing you to measure pH, TDS, EC, salinity, and temperature of water, ensuring that your drinking water is safe and healthy. - This multifunctional meter is essential for enhancing your quality of life. Key applications include: - Testing drinking water quality to ensure safety for you and your family. - Monitoring swimming pool water quality for a safe swimming experience. - Measuring pH balance in DI systems, aquariums, spas, hot tubs, fish tanks, garden water, and hydroponics. - Compact and lightweight, this digital pH tester is made for convenience and ease of use. Its robust design guarantees reliable performance across various applications, making it a valuable tool for both home and professional use.