The reverse osmosis process utilizes a semi-permeable membrane to remove and reject a wide variety of impurities.

Aluminum

97-98%

Nickel

97-99%

Ammonium

85-95%

Nitrate

93-96%

Arsenic

94-96%

Phosphate

99+%

Bacteria

99+%

Polyphosphate

98-99%

Bicarbonate

95-96%

Potassium

92%

Bromide

93-96%

Pyrogen

99+%

Cadmium

96-98%

Radioactivity

95-98%

Calcium

96-98%

Radium

97%

Chloride

94-95%

Selenium

97%

Chromate

90-98%

Silica

85-90%

Chromium

96-98%

Silicate

95-97%

Copper

97-99%

Silver

95-97%

Cyanide

90-95%

Sodium

92-98%

Ferrocyanide

98-99%

Sulphate

99+%

Flouride

94-96%

Sulphite

96-98%

Iron

98-99%

Zinc

98-99%

Lead

96-98%

* Virus

99+%

Magnesium

96-98%

* Insecticides

97%

Maganese

96-98%

* Detergents

97%

Mercury

96-98%

* Herbicides

97%

% TDS

95-99%

* These are conservative estimates