Removing Total Dissolved Solids (TDS)
Total Dissolved Solids (TDS) are equal to the total weight of all solids (minerals, salts or metals) that are dissolved in a given volume of water, and expressed in parts per million (ppm) so water quality and purity is often measured by the amount of Total Dissolved Solids (TDS) in the water. Depending on how reverse osmosis filtered water is to be used, it is often necessary to further decrease the amount of TDS in the RO filtered water. For all aquatic animals lowering total dissolved solids is very important for osmotic regulation and hydration.
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