How do reverse osmosis systems work and what contaminants do they remove?
Reverse osmosis units force water through a semi-permeable membrane under pressure, leaving contaminants behind. Reverse osmosis units use approximately three times as much water as they treat, but they are effective in eliminating all disease causing organisms (e.g., bacteria, viruses, Giardia lamblia, Cryptosporidium) and most chemical contaminants.
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