Pool & Spa Chemicals

Keep your water clean, clear, and balanced with our Pool & Spa Chemicals category. From sanitizers and shock to water balancers and treatments, we have everything you need for safe, healthy, and sparkling water.

  • Save 34% Out of stock
    BioGuard Smart Shock 22948BIO
    BioLab BioGuard Smart Shock - 22948BIO
    SKU: 22948BIO
    $27
    $41
    Out of stock
  • Save 33% Out of stock
    BioGuard Smart Shock 22947BIO
    BioLab BioGuard Smart Shock - 22947BIO
    SKU: 22947BIO
    $20
    $30
    Out of stock
  • Save 52%
    BioGuard Polysheen Blue 23721BIO
    BioLab BioGuard Polysheen Blue - 23721BIO
    SKU: 23721BIO
    $19.99
    $42
    In stock
  • Save 33% Out of stock
    BioGuard Lo 'N Slo 23475BIO
    BioLab BioGuard Lo 'N Slo - 23475BIO
    SKU: 23475BIO
    $20
    $30
    Out of stock
  • Save 37% Out of stock
    BioGuard BurnOut 73 22860BIO
    BioLab BioGuard BurnOut 73 - 22860BIO
    SKU: 22860BIO
    $17
    $27
    Out of stock
  • Save 26% Out of stock
    BioGuard Balance Pak 300 23471BIO
    BioLab BioGuard Balance Pak 300 - 23471BIO
    SKU: 23471BIO
    $28
    $38
    Out of stock
  • Save 32% Out of stock
    BioGuard Balance Pak 100 23408BIO
    BioLab BioGuard Balance Pak 100 - 23408BIO
    SKU: 23408BIO
    $21
    $31
    Out of stock
  • Save 23% Out of stock
    Stabilized Chlorinating Granules 2lbs
    Pool Care All Clear Stabilized Chlorinating Granules 2lbs - AQT2070
    SKU: AQT2070
    $35
    $46
    Out of stock
  • Save 33%
    CMP Pool Defender Inline Zinc Anode | 25810-350-050
    CMP Pool Defender Inline Zinc Anode - 25810-350-050
    SKU: 25810-350-050
    $75.38
    $114
    In stock
  • Save 30%
    API Cloud Out Concentrated Pool Clarifier, 2 lb Bottle
    APi Cloud Out Concentrated Pool Clarifier, 2 lb Bottle - EZCO2
    SKU: EZCO2
    $32.50
    $47
    In stock
  • Save 9% Out of stock
    Pool Care Super Mineral Stain Out 1qt
    Pool Care Super Mineral Stain Out 1qt - QPC55390EACH
    SKU: QPC55390EACH
    $48
    $53
    Out of stock
  • Save 28% Out of stock
    Pool Care Alkalinity Up 5lbs
    Pool Care Alkalinity Up 5lbs - QPC55276EACH
    SKU: QPC55276EACH
    $52
    $73
    Out of stock
  • Save 28%
    Pool Care Alkalinity Up 25lbs
    Pool Care Alkalinity Up 25lbs - QPC55277
    SKU: QPC55277
    $71
    $99
    In stock
  • Save 8%
    Fix A Leak Pool Sealer
    American Granby Fix A Leak Pool Sealer - Quart Bottle - FAL32
    SKU: FAL32
    $52
    $57
    In stock
  • Save 13% Out of stock
    Coral Seas Yellow Out 20lbs.
    Natural Chemistry Coral Seas Yellow Out Algae Kill 20lbs. - 07616COR
    SKU: 07616COR
    $142
    $164
    Out of stock
  • Save 35% Out of stock
    BioGuard Spot Kill (WP) 23112BIO
    BioLab BioGuard Spot Kill (WP) - 23112BIO
    SKU: 23112BIO
    $33
    $51
    Out of stock
  • Save 25% Out of stock
    BioGuard Balance Pak 100 23463BIO
    BioLab BioGuard Balance Pak 100 - 23463BIO
    SKU: 23463BIO
    $39
    $52
    Out of stock
  • Save 35%
    BioGuard Algae All 60 23060BIO
    BioLab BioGuard Algae All 60 - 23060BIO
    SKU: 23060BIO
    $39.99
    $62
    In stock
  • Save 30%
    EZPoolPRO Concentrated Pool Blend, 40 lb | EZPP40
    APi EZPoolPRO Concentrated Pool Blend, 40 lb - EZPP40
    SKU: EZPP40
    $399
    $573
    In stock
  • Save 28% Out of stock
    Pool Care Non-Chlorinationg Shock 1lb 6 bags
    Pool Care Non-Chlorinationg Shock 1lb 6 bags - QPC522016
    SKU: QPC522016
    $54
    $76
    Out of stock
  • DE Powder, Diatomaceous Earth, 25 lb Bag
    DE Powder, Diatomaceous Earth, 25 lb Bag - 83-555-2025
    SKU: 83-555-2025
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  • Save 45%
    BioGuard Pool Closing Complete 25771BIO
    BioLab BioGuard Pool Closing Complete - 25771BIO
    SKU: 25771BIO
    $44.99
    $82
    In stock
  • Save 14%
    EZ-Clor E-Z Clor 47247390 5 lb Alkalinity Up Pouch
    E-Z Clor 5 lb Alkalinity Up Pouch - 47247390
    SKU: 47247390
    $17
    $19.99
    In stock
  • Save 33%
    Popular Algaedyne Algaecide 32 fl oz Bottle 12/Case | 47-600
    Pool Products Packaging Popular Algaedyne Algaecide 32 fl oz Bottle - 47-600
    SKU: 47-600
    $72.48
    $109
    In stock