Maintenance Guides / Plumbing & Water

Test water hardness post-softener

Difficulty: easyTime: 15 minsEst. Cost: $10 - $25

Why it matters

Bypassed valves and exhausted resin show up here, not on a salt level check.

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How to do it

  • 1

    Purchase a water hardness test kit.

  • 2

    Collect sample from tap after softener.

  • 3

    Follow kit instructions to test sample.

  • 4

    Record hardness reading in GPG.

  • 5

    Compare to expected output (0-2 GPG).

  • 6

    If high, check regen cycles or call for service.