For sale: TDS-3 portable device, ideal for measuring the quality and purity of drinking water, home filter water, fish tanks, and agriculture. 💡 Device Features: Accurate and Pure Measurement: Measures the dissolved salts in water (TDS) to ensure the safety of drinking water and home filters. 2 in 1: Includes a sensor to measure water temperature (TEMP). HOLD Function: To save the reading on the screen for easy recording. Energy Saving: Automatic shut-off feature to conserve battery life. Practical Design: Lightweight and easy to use anywhere. Price: 30﷼