Reverse Osmosis vs. Selective Filtration – What’s the Difference?

Published on : September 28, 2017

Most people are aware of how unsafe it is to drink contaminated tap water. The buzz surrounding water today is the same as the time when organic food was introduced. In both cases, the core concern is to keep families healthy through uncontaminated food and water. While the market is flooded with several alternatives, it is important to understand which purifier does what so that you may choose the best water purifier for you.

How Reverse osmosis water filter works?

In the reverse osmosis RO water filter system, pressure forces water through a semi-pervious membrane. This membrane holds the solid contaminants on one side while the water passes through to the other end. This technology has been created so that the membrane can remove anything larger than a water molecule from the water flowing through it. It uses the ion exclusion process where a group of ions surfaces from a barrier at the membrane, allowing the water molecules to pass through without letting the contaminants follow suit.

This water purification system ensures the removal of fluoride, nitrate, sulfate, sodium, chloride, iron, mercury, zinc, arsenic, lead, cyanide, and other harmful contaminants. However, as these systems are very effective in removing solids from water, they may also remove essential minerals from the water. To address this problem, many new RO water purifiers come with a new kind of technology that allows minerals like potassium, calcium, and magnesium to be retained in the water.

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