Crystal Quest Stage 9 Filtration

TFC Membrane
*Nominal Rejection Characteristics of Reverse Osmosis Membranes
ION % Rejection ION % Rejection
Calcium 95 - 98 Bromide 93 - 96
Sodium 94 - 98 Phosphate 97 - 98
Magnesium 95 - 98 Cyanide 90 - 95
Iron 97 - 98 Sulfate 97 - 98
Potassium 94 - 97 Thiosulfate 97 - 98
Manganese 97 - 98 Silicate 94 - 96
Aluminum 97 - 98 Silica 85 - 90
Copper 97 - 98 Nitrate 92 - 95
Nickel 97 - 98 Boron 60 - 70
Cadmium 95-98 Borate 40 - 70
Silver 95 - 97 Fluoride 93 - 95
Zinc 97 - 99 Polyphosphate 98 - 99
Mercury 95 - 97 Orthophosphate 98 - 99
Hardness Ca&Mg 95 - 98 Chromate 90 - 97
Radioactivity 95 - 98 Bacteria 99+
Chloride 90 - 95 Lead 96 - 98
Ammonium 85 - 95    
*The above percent of rejection is for reference only and not to be construed as any guarantee since the chemistry, temperature and TDS are not constant in each water supply.