Adya Clarity removes contaminants from the water and also adds good minerals to the water. TDS (Total Dissolved Solids) measures the total content of all substances in liquid - whether they are harmful contaminants or good minerals. Therefore, the TDS of Adya Clarity treated water will be high.
Adya Clarity is proven to remove heavy metals, fluoride, bacteria, and a variety of toxic pollutants - tested by an independent EPA certified lab. You can see the lab reports with the link below.
http://www.waterliberty.com/research.php