Water Contaminants

What Is TDS and How to Measure It?

TDS stands for Total Dissolved Solids and represents the total concentration of dissolved substances in water. TDS is the term used to describe the inorganic salts and small amounts of organic matter present in solution in water. The primary components of TDS are usually calcium, magnesium, sodium, and potassium cations and carbonate, hydrogencarbonate, chloride, sulfate, and nitrate anions.