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Swimming Pool Startup Chemicals of 2025

Save up to 43% off
  • Best Choice

    1

    Doheny's Master Pool Opening Kit | Made in USA | Start-Up Chemicals for Pools | Includes Ultimate Kit, Natural Chemistry, Metal Out, Clarifier, Spring Control & Super Shock | Treats 30,000 Gallons
    Doheny's

    Doheny's Master Pool Opening Kit | Made in USA | Start-Up Chemicals for Pools | Includes Ultimate Kit, Natural Chemistry, Metal Out, Clarifier, Spring Control & Super Shock | Treats 30,000 Gallons

    9.8
    Exceptional
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  • Value for Money

    2

    Rx Clear Deluxe Spring Chemical Opening Pool Cleaning Kit | for Swimming Pools Up to 7,500 Gallons | Includes Shock, Clarifier, pH Minus, Algaecide and More | Keep Your Pool Clean and Clear
    Rx Clear

    Rx Clear Deluxe Spring Chemical Opening Pool Cleaning Kit | for Swimming Pools Up to 7,500 Gallons | Includes Shock, Clarifier, pH Minus, Algaecide and More | Keep Your Pool Clean and Clear

    9.7
    Exceptional
    Our Rating

  • 3

    In The Swim Pool Super Opening Chemical Start Up Kit - Above Ground and In-Ground Swimming Pools - Up to 35,000 Gallons
    In The Swim

    In The Swim Pool Super Opening Chemical Start Up Kit - Above Ground and In-Ground Swimming Pools - Up to 35,000 Gallons

    15% Off
    9.5
    Excellent
    Our Rating

  • 4

    Pool Opening Kit - Chemical Start-Up Kit for Inground Pool & Above Ground Pool (Deluxe Kit - 15k Gallon)
    PooolWavify

    Pool Opening Kit - Chemical Start-Up Kit for Inground Pool & Above Ground Pool (Deluxe Kit - 15k Gallon)

    9.4
    Excellent

  • 5

    In The Swim Basic Swimming Pool Chemical Value Kit – for Above Ground and In-Ground Pools – Treats Up to 7,500 Gallons
    In The Swim

    In The Swim Basic Swimming Pool Chemical Value Kit – for Above Ground and In-Ground Pools – Treats Up to 7,500 Gallons

    12% Off
    9.1
    Excellent
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  • 6

    Lo-Chlor FastStart-Tech - Easy Pool Starter Protects New Pool Surfaces at Start Up - Prevents Metal Stains and Scale Formation As Part of Your Pool Opening Kit for Above Ground Pool & Inground (32oz)
    Lo-Chlor

    Lo-Chlor FastStart-Tech - Easy Pool Starter Protects New Pool Surfaces at Start Up - Prevents Metal Stains and Scale Formation As Part of Your Pool Opening Kit for Above Ground Pool & Inground (32oz)

    9.0
    Excellent

  • 7

    HTH 91022 Swimming Pool Care Kit, Opening and Closing Swimming Pool Supplies, 4 lbs
    HTH

    HTH 91022 Swimming Pool Care Kit, Opening and Closing Swimming Pool Supplies, 4 lbs

    43% Off
    8.8
    Very Good
    Our Rating

  • 8

    Rx Clear Spring Start-Up Kit | Chemicals for Opening Swimming Pools | Above Ground or Inground Up to 7,500 Gallons | Includes Shock, Algaecide, Stabilizer/Conditioner and Test Strips
    Rx Clear

    Rx Clear Spring Start-Up Kit | Chemicals for Opening Swimming Pools | Above Ground or Inground Up to 7,500 Gallons | Includes Shock, Algaecide, Stabilizer/Conditioner and Test Strips

    8.7
    Very Good
    Our Rating

  • 9

    ARM & HAMMER Clear Balance Swimming Pool Alkalinity pH Maintenance Tablets, White, 1 Pack, 24 Count
    Arm & Hammer

    ARM & HAMMER Clear Balance Swimming Pool Alkalinity pH Maintenance Tablets, White, 1 Pack, 24 Count

    • Usage:Pool maintenance
    • pH Level:Maintains pH levels
    • Chemical Form:Tablet
    • Alkalinity:Maintains alkalinity
    • Compatibility:Swimming pools
    8.6
    Very Good

  • 10

    HTH 52038 Swimming Pool Care Green to Blue, Advanced Shock System, 2-Step Swimming Pool Care Solution, 1 Kit
    HTH

    HTH 52038 Swimming Pool Care Green to Blue, Advanced Shock System, 2-Step Swimming Pool Care Solution, 1 Kit

    38% Off
    8.3
    Good
    Our Rating

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