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Reverse Osmosis Drinking Water System Typical Contaminant Removal

 5 Stage Reverse Osmosis System

Contaminant

% Reduction

Contaminant

% Reduction

  Algae 99.9%   Mercury   93-98%
  Aluminum   96-99%   Mold   99.9%
  Ameobic Cysts   >99%   Nickel   93-98%
  Arsenic   93-98%   Nitrate   85-90%
  Asbestoes   >99%   Phosphate   93-98%
  Atrazine   95%   Potassium   94-97%
  Bacteria   >99%   Protozoa   >99%
  Barium   93-98%   Radioactivity   93-98%
  Calcium   93-98%   Sediment   >99%
  Chloride   95-98%   Selenium   94-96%
  Chlorine   99.5%   Silicate   85-90%
  Chromate   90-95%   Silver   93-98%
  Copper   93-98%   Sodium   90-95%
  Cryptosporidium Cysts   99.9%   Strontium   96-98%
  Cyanide   90-95%   Sulfate   93-98%
  Flouride   95-98%   Thiosulfate   96-99%
  Giardia Lamblia Cysts   99.9%   Trihalomethene (THM)   98%
  Lead   93-98%   Total Volatile Organics   95%
  Manganese   93-98%   Zinc   93-98%
  Magnesium   93-98%   2,4-D   95%

This list represents only a few of the contaminants removed or reduced by any 4 or 5-Stage Reverse Osmosis Drinking Water System. Results may vary depending upon water conditions, temperature, pressure and whether proper routine maintenance has been performed on the system at appropriate intervals.

How Reverse Osmosis Works