"A water filtration system that uses a physical filtration method is often recommended [when you want to remove sodium from your water], such as reverse osmosis, which actually removes those minute particles," says Riggs Eckelberry, water expert and founder and CEO of OriginClear, a Clean Water Innovation Hub.
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There are a few reasons why your water may contain sodium. First, it does naturally occur in groundwater, Eckelberry says. Living by the ocean can also lead to an increase in salinity, Dunphy notes. Contaminants (think: road salt, fertilizer and sewage) can also be a factor.
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