1.Durability Made of highquality plastic, the water tester is both durable and robust. Its durable construction can withstand regular use, making it a reliable choice for maintaining your pool or spa. 2.Reliability The pH meter eliminates the need for additional meters, making it a practical option for testing the water pH. Simply use it as directed to get accurate readings without the hassle of reagents. 3.Easy to use The water quality tester is simple in design and easy to use. It is an essential tool for anyone looking to maintain pH levels in their pool or spa and ensure the water is and clean. 4.Large Screen for Clear Readings The water quality monitor has a large screen that clearly displays the test results, making it easier to read and interpret the pH value. This ensures that you can quickly and accurately monitor your water quality.