The Fleck SXT 7000 Backwashing High Flow Birm Filter system for Removing Iron
- Birm removes iron that water softeners can't
- Dissolved iron above 3ppm will cause problems in a water softener
- Iron levels above 5ppm will foul a water softener
- Birm can remove up to 11,000ppm per cubic foot between
backwashes without messy chemicals or salt