Question: What is the optimum TDS level of good potable water? should it be between 100 to 500 ppm? Edit
Answer: Total dissolved solids (often abbreviated TDS) is an expression for the combined content of all inorganic and organic substances contained in a liquid which are present in a molecular, ionized or micro-granular (colloidal sol) suspended form.
The US Environmental Protection Agency standard for safe drinking water required the TDS of this water to be equal to or less than 300 mg/L. Better below 100 ppm.
The optimum range is between 100 to 500 ppm
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