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Thank you very much for all your help. I have learned a lot today.

Thank you very much for your explanation. Now I can understand how to calculate salt Dosage, Capacity and BF now. But how about BW, BD and RR (let say in dF1b). Does it have any formula for those or always use 10/60/10 min as standard? Thanks,

Thank you so much for your help. I have a few questions for better understanding. 1. What is the advantage for dF1b (single backwash) and dF2b(double backwash). 2. Isn't that the capacity of a unit is fixed based on the size of the resin inside the tank? (this is where I confuse the most). I...

Hi, We just have a water softener installed in our house. The tank is Pentair 1054 with Fleck 5810 Controller. There is a white label on the controller said: Drain Flow=2.4GPM, Injector=1. There is also a blue label said: .25GPM, .75LB SALT/MIN. My water hardness is 20gpg (I tested it with a...