Maintenance Guides / Pool & Hot Tub

Inspect and clean salt cell

Difficulty: moderateTime: 30 mins

Why it matters

Calcium scale on cell plates reduces chlorine output by 50% or more; cell replacement costs $400–$900. Regular cleaning extends cell life to 5–7 years.

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How to do it

  • 1

    Turn off the salt chlorine generator at the control panel.

  • 2

    Locate the salt cell housing and turn the union bolts counterclockwise.

  • 3

    Slide the cell cartridge out and inspect plates for white calcium buildup.

  • 4

    If scale is visible, soak cell in a 1:1 dilute muriatic acid solution for 15 minutes.

  • 5

    Rinse cell thoroughly with fresh water to remove acid and loosened scale.

  • 6

    Reinsert cell, tighten union bolts, and restart generator.