Selecting a Water Filtration System

Reverse osmosis (RO) filters work by passing the water through a very fine membrane, creating highly filtered water very similar in nature to distilled water. There has been some debate regarding the distillation and/or reduction of natural minerals in water, with some findings linking health issues to l Whirlpool under-the-sink Reverse Osmosis Filter ong-term consumption of mineral-free water. However, reverse osmosis systems with activated carbon have been suggested for filtering out traces of pharmaceuticals, the latest contaminant to hit some of the country’s public water supplies. Whole-home RO filters are available, but they can be expensive; countertop or under-the-sink varieties are most common. Ceramic filters are found in countertop and whole-home filter systems. They contain diatomaceous earth and nano-silver and will filter out bacteria and microorganisms. Distillers boil the water and condense the steam to separate it from contaminants. These units tend to be expensive (as much as $1,500), run on electricity and can require professional installation.

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