Total Dissolved Solids


What Are Total Dissolved Solids (TDS)?

TOTAL DISSOLVED SOLIDS (TDS)  These are the sum total of all things dissolved in pool and spa water.   In other words, this refers to all other chemicals besides H2O. It includes hardness, alkalinity, cyanuric acid, chlorides, bromides, sulfates, silicates and all manner of organic compounds. It includes not only […]