Maintenance Guides / Pool & Hot Tub

Test pool water chemistry under winter cover

Difficulty: easyTime: 30 minsEst. Cost: $20 - $80

Why it matters

Covered pools still develop imbalances that promote algae and staining; spring cleanup is expensive without winter maintenance.

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How to do it

  • 1

    Locate corner of pool cover and carefully lift to access water.

  • 2

    Use pool test kit to collect water sample beneath cover.

  • 3

    Test pH level (should be 7.2-7.6 for winter).

  • 4

    Test alkalinity (80-120 ppm) and chlorine (0.5-2 ppm for covered pools).

  • 5

    Add chemicals if levels outside recommended ranges.

  • 6

    Replace cover securely and record chemical levels.