Hello, I have a 6 year old Clack WS1 32k grain system, that seems to not be softening correctly. It is only me and my wife, couple of showers a day, and maybe 5 loads of laundry a week on an HE washer. I am on city water with 20 gpg. The issue is that it seems over the last 3 months it has only been softening for about 3 days worth of water, then the water goes really hard again. It should be regenerating every 8 days with around 1100 gallons, but I am having to manually regen after 3 days or so. I have tried using some Pro Products Res Care to clean the resin, but it has not done much. There isn't any standing water in the brine tank, other than maybe .5 inch of remnants at the bottom, and salt is being used normally. My first guess is that the resin is fouled. I just don't know enough about repairs to figure out if a valve is bad or not? Any help would be appreciated