GLUN® Pre-Calibrated TDS Meter, Pack of 1 Pen Style Digital TDS Tester for Measuring Amount of Dissolved Solids in your Water

About this item

• Instant Water Purity Check: Know exactly what’s in your water in just seconds, no setup or calibration needed.
• Pre-Calibrated to Save Time: Start testing immediately with factory-calibrated precision, no guesswork, no hassle.
• Slim & Sleek Pen-Style Design: Fits in your pocket or kitchen drawer, perfect for everyday water quality checks.
• Energy-Efficient with Auto-Off: Automatically powers down after use to extend battery life.
• Versatile Use Across Applications: Ideal for RO/DI systems, aquariums, hydroponics, pools, and drinking water.