ProSoft™ Cation Resin Selection Chart

Low Iron 0 - 0.1 ppm Medium Iron 0.1 - 1.0 ppm High Iron 1.0 - 3.0 Heavy Iron 3.0 ppm + Dissolved Iron Organic Iron No Chlorine Gold* P/N: ER10001 Gold* P/N: ER10001 Premium* P/N: ER10002 Premium* P/N: ER10002 Premium P/N: ER10002 2/3 Ft³ Fine Mesh P/N: ER10003 1/3 Ft³ ProSelect™ Tannin P/N: ER20002 Low Chlorine < 0.5 ppm Gold* P/N: ER10001 Premium* P/N: ER10002 Premium* P/N: ER10002 Heavy Duty* P/N: ER10006 Premium P/N: ER10002 2/3 Ft³ Fine Mesh P/N: ER10003 1/3 Ft³ ProSelect™ Tannin P/N: ER20002 Medium Chlorine 0.6 - 1.5 ppm Premium* P/N: ER10002 Premium* P/N: ER10002 Heavy Duty P/N: ER10006 Heavy Duty P/N: ER10006 Heavy Duty P/N: ER10006 2/3 Ft³ Fine Mesh P/N: ER10003 1/3 Ft³ ProSelect™ Tannin P/N: ER20002 High Chlorine 1.6 - 3.0 ppm Heavy Duty P/N: ER10006 Heavy Duty P/N: ER10006 Heavy Duty P/N: ER10006 High Porosity P/N: ER10009 Heavy Duty P/N: ER10006 2/3 Ft³ Heavy Duty P/N: ER10003 1/3 Ft³ ProSelect™ Tannin P/N: ER20002 Heavy Chlorine 3.1 ppm + High Porosity P/N: ER10009 High Porosity P/N: ER10009 High Porosity P/N: ER10009 High Porosity P/N: ER10009 High Porosity P/N: ER10009 All units will perform well to a varying degree with any cation resin. The above table is strictly suggestive for obtaining optimal performance from your unit and extending the life of your resin bed. When in doubt, ProSoft™ Premium is your best value for an all-around softening resin. * Cabinet models can or should substitute ProSoft™ Fine Mesh resin for faster kinetics. This table is based on SWT's conventional wisdom only. Performance can still vary from factors such as high temperatures, oil in the water, silica or other local water characteristics. Contact your SWT representative for further assistance.

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