Monitor your water quality easily with the KONVIO NEER Digital LCD TDS Meter and pH Test Strip Combo. This complete testing kit helps you measure Total Dissolved Solids (TDS) and check pH levels to better understand the quality of drinking water, RO water, aquarium water, pool water, and other water sources. The digital TDS meter provides fast and accurate readings on an easy-to-read LCD display, making it ideal for checking the performance of water purifiers and filtration systems. The included 80 pH indicator strips cover the full pH range from 1 to 14, allowing you to quickly identify whether water is acidic, neutral, or alkaline. Designed for convenience and portability, this kit is suitable for home use, offices, aquariums, hydroponics, laboratories, schools, and water treatment applications. Simply dip the TDS meter or pH strip into the sample and obtain results within seconds.