flycatchers Posted July 7, 2013 Report Share Posted July 7, 2013 I replaced my membrane last year and also replaced the two filters and DI resine in August. During the winter I tend to run the system about once a week and run off a couple of gallons. By spring the TDS had risen to 35 so I replaced both filters and resin and it took me to about 1 or 2. With the increased dry weather I have been running the system several days most weeks. When I checked the TDS today it was 75! Still lower than my very hard water of over 300, but rising far quicker than expected. Any ideas? The pressure gauge shows 45psi when in use. Quote Link to comment Share on other sites More sharing options...
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