Applications include: drinking water, water filter checks, aquariums, food & beverage, hydroponics, and more.

TDS = Total Dissolved Solids. TDS is the total amount of mobile charged ions, including minerals, salts or metals dissolved in a given volume of water. TDS is express in parts per million (ppm). TDS includes any conductive inorganic elements present other than the pure water molecules (H2O) and suspended solids.