Glun Pre-Calibrated Pen Type Digital Lcd Tds Meter Tester For Water Quality Testing (Ppm) is available on Amazon. Product Description:- TDS range: 0 – 990ppm (mg/L), Accuracy: +/- 2% TDS stands for Total Dissolved Solids, which are the inorganic salts and organic matter in a liquid. This includes calcium, magnesium, sodium, etc. Do not immerse […]
