Water handled is: 

940 TDS

57 gpg hardness

2.5-3 ppm iron

We installed, Fleck 2815 self backwashing iron filter with SXT control 16×65 structural tank with 4cu. Ft. Kata/brim mix.

Paired with a Fleck 2815 metered softener valve, 16×65 structural tank with 4cu. Ft. 10% cross linking resin, 24×48 brine tank with safety brine float and grid. 

Completed the system with a 5 stage reverse osmosis “Fresh Squeeze Ultra Micron” by Water Resources hooked to pot filler at sink and a bottle free water dispenser.