Listing ID #1176520
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Contact SupplierMost water softeners on the market operate on an “ion exchange” system. This is where hardness ions (calcium and magnesium) are exchanged for sodium (salt) or potassium (salt) ions. This takes place within the resin tank of the water softener. When water flows through the tank it comes in contact with small resin beads that are covered with sodium or potassium ions. As the water flows through the resin beads, the calcium and magnesium ions trade places with the sodium ions. That is why softened water becomes higher in salt content.