Water Filters to Reduce Sodium

Sodium content in drinking water can be significantly reduced by using a water filter. Most water filters utilize a rechargeable ion exchange resin or a reverse osmosis membrane to filter out sodium. Deionizers work as well.

Sodium

Sodium has the chemical symbol Na. It is present in all drinking water. Sodium originates from the weathering of crystalline rocks and clay.

Significance

Sodium can raise blood pressure. Reducing the sodium content in drinking water is essential for people with hypertension. Those on low sodium diets should consider using a water filter to remove sodium from drinking water.

Types

The main types of water filtration systems which remove sodium are deionizers, demineralizers, reverse osmosis, and distillation.

Features

Water filters which remove sodium have unique ion exchange resins which filter out sodium ions and release potassium into water. Deionizers use a hydrogen form cation exchanger. Reverse osmosis membranes can remove 94 to 98 percent of sodium.

Considerations

Ion exchange resins can sustain bacteria colonies. If the ion exchange resin is not properly cleaned or recharged, it can contaminate the water supply.

References

• The Water Exchange: Sodium Water Filters
• Aqua Pure Water Filters: Sodium Contaminant
• Water at Best: Water Deionizers