Tap and WellTreasure Valley water, from the public record

Fleck 5600SXT 48,000 Grain Water Softener review

Salt-based water softener. Plumber recommended if you are not comfortable with this install. Skill and code, not a preference. Listed to WQA/ANSI CSA B483.1: , WQA/ANSI 44, WQA/ANSI 372.

What it removes

ContaminantEvidenceStated reductionScope
Hardness (as CaCO3)Certifiednot stated
IronManufacturer-reported80%

Certified is an NSF, WQA, or IAPMO listing for that claim. Manufacturer-reported reduction for iron. Not NSF-certified for iron.

Whole-house hardness at 7 gpg or more. Does not remove arsenic, nitrate, or fluoride.

Certifications

  • WQA/ANSI CSA B483.1: : Not Applicable (listing checked 2026-09-14)
  • WQA/ANSI 44: hardness (from the manufacturer's page, not yet checked against the certifier's database)
  • WQA/ANSI 372: Not Applicable (listing checked 2026-09-14)