Check the listing for details. Vivosun PH meter And TDS Meter combo. Condition: New – Open box. Listed at 70.00 USD. Effortlessly monitor the pH balance of your aquarium, RO system, spa, or hydroponics with the VIVOSUN pH Meter. Specially designed for precision, this digital PH meter boasts a modern style and high accuracy with a measuring range of 0-14 PH. The sleek design ensures ease of use and reliability for both professional and home use.Equally important for both enthusiasts and professionals, the VIVOSUN pH Meter also serves as an ideal tool for testing drinking water, swimming pool water, and more. With the inclusion of a TDS meter, this combo provides a comprehensive water quality analysis. Each unit is crafted with attention to detail, featuring a unique MPN of VS-ph-001 and is manufactured in China, ensuring quality and precision in each measurement.