Rejection Characteristics Of Reverse Osmosis Membranes:

    • Sodium 85 - 94%
    • Sulfate 96 - 98%
    • Calcium 94 - 98%
    • Potassium 85 - 95%
    • Nitrate 60 – 75%
    • Iron 94 – 98%
    • Zinc 95 – 98%
    • Mercury 95 – 98%
    • Selenium 94 – 96%
    • Phosphate 96 – 98%
    • Lead 95 – 98%
    • Arsenic 92 – 96%
    • Magnesium 94 – 98%
    • Nickel 96 – 98%
    • Fluoride 85 - 92%
    • Manganese 94 – 98%
    • Cadmium 95 – 98%
    • Barium 95 – 98%
    • Cyanide 84 – 92%
    • Chloride 85 – 92%
    • The removal percentages above will vary based on membrane type, water pressure, water temperature and total dissolved solids.
    • Activated carbon filtration that accompanies our reverse osmosis systems will remove below:
    • Chlorine 99.9%
    • VOCs (volatile organic compounds) 99.9%
    • Trihalomethanes (byproducts of chlorination) 99.9%
    • Pharmaceuticals 99.9%
    • Contrary to what you may have read on the Internet, reverse osmosis does not kill or address bacteria.



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