Fleck 2510 sxt settings for best efficiency

Discussion in 'Water Softener Forum, Questions and Answers' started by JoshSter, Jun 20, 2020.

  1. JoshSter

    JoshSter New Member

    Joined:
    Feb 10, 2020
    Location:
    MN
    Hello - I was wondering if someone who knows more than me could suggest or confirm best settings for a water softener for efficient salt usage.

    Hardness is 25 grains. There should be no iron, hydrogen sulfide, manganese making it to the softener.

    I have a 13x54 tank with a fleck 2510 sxt with 2.5 cuft resin

    I have hardness set at 25, capacity set at 50, and BF set at 8.

    Thank You!
     
  2. Reach4

    Reach4 Well-Known Member

    Joined:
    Sep 25, 2013
    Location:
    IL
    BLFC=0.5 gpm, or what?
     
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  4. JoshSter

    JoshSter New Member

    Joined:
    Feb 10, 2020
    Location:
    MN
    Yes, it's .5 gpm
     
  5. Reach4

    Reach4 Well-Known Member

    Joined:
    Sep 25, 2013
    Location:
    IL
    I would raise H to 26 for a little more high-hardness compensation.

    Table below has C and BF pairs to consider.

    The less salt per cubic ft, the more salt efficient, but more hardness breakthrough.
    Revised based on number from https://terrylove.com/forums/index.php?threads/help-for-programming-fleck-5810.82673/#post-595983
    BLFC = 0.5
    cubic ft resin = 2.5

    Alternative C and BF pairs:
    lb/cuft ; C= ; BF=
    2.400 ; 29.2 ; 4
    3.000 ; 34.6 ; 5; More salt efficient, but not great softening.
    3.600 ; 39.2 ; 6
    4.200 ; 43.2 ; 7
    4.800 ; 46.7 ; 8 ; What you are running. More salt-efficient than most people.
    5.400 ; 49.8 ; 9
    6.000 ; 52.5 ; 10; The least salt most people use when trying to save salt and have good softening.
    6.600 ; 55.0 ; 11
    7.200 ; 57.3 ; 12
    7.800 ; 59.3 ; 13; Better softening, reasonable salt usage many would choose this.
    8.400 ; 61.2 ; 14
    9.000 ; 62.9 ; 15
    9.600 ; 64.5 ; 16; Less salt-efficient.
     
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