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 17%
    Allchem Swim Best® U009050050SB 50 lb Bucket 3" Trichlor Chlorinating Tablets
    Allchem Industries Holding 50# 3" Tabs (W) Swim Best - U009050050SB
    SKU: U009050050SB
    $299
    $361
    In stock
  • Save 35%
    MISC VENDOR Gal Maintain Winterizer - 4-5905
    SKU: 4-5905
    $21.35
    $33
    In stock
  • Save 34%
    Bio-Dex Spray Cartridge Cleaner 32 fl oz Bottle 12/Case | BIOCART32
    Biodex Spray Cartridge Cleaner 32 fl oz Bottle - BIO - CART32
    SKU: CART32
    $25.02
    $38
    In stock
  • Save 33%
    Bio-Dex Aqua Pure Algaecide 1 Gallon Bottle 4/Case | AP04
    Biodex Aqua Pure Algaecide 1 Gallon Bottle - AP04
    SKU: AP04
    $128.81
    $194
    In stock
  • Save 34%
    Bio Active Products Cyanuric Acid Reducer 8OZ - CAR-8
    SKU: CAR-8
    $53.46
    $81
    In stock
  • Save 33% Out of stock
    Pentair CO2 Chemical Controller Sys AK600
    Pentair Water Pool and Spa Inc CO2 Chemical Controller Sys AK600 - 751000030
    SKU: 751000030
    $1,965.21
    $2,948
    Out of stock
  • Save 34%
    Arrow Chemical OZ QT SPARK-L Tile Soap - 10-0920
    SKU: 10-0920
    $22.89
    $35
    In stock
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    Applied Bio Pooltrine 60 Algaecide 32 fl oz Bottle 12/Case | 407303A
    Applied Bio Pooltrine 60 Algaecide 32 fl oz Bottle - 407303A
    SKU: 407303A
    $33.46
    $51
    In stock
  • Save 33%
    Applied Bio Staintrine Mineral Remover, 32 oz Bottle | 4018512
    Applied Bio Staintrine Mineral Remover, 32 oz Bottle - 4018512 - 406704A
    SKU: 406704A
    $29.78
    $45
    In stock
  • Save 34%
    Applied Bio Gold-N-Clear Clarifier 32 fl oz Bottle 12/Case | 407803A
    Applied Bio Gold-N-Clear Clarifier 32 fl oz Bottle - 407803A
    SKU: 407803A
    $26.32
    $40
    In stock
  • Save 34%
    Applied Bio Filter Blaster Filter Cleaner, 32 oz Bottle | 400720A
    Applied Bio Filter Blaster Filter Cleaner, 32 oz Bottle - 400720A
    SKU: 400720A
    $35.61
    $54
    In stock
  • Save 33%
    Applied Bio Yellowtrine Algaecide 3 lb Bottle 12/Case | 408622A
    Applied Bio Yellowtrine Algaecide 3 lb Bottle - 408622A
    SKU: 408622A
    $40.46
    $61
    In stock
  • Save 34%
    Applied Bio Thio-Trine Chlorine & Bromine Reducer & Neutralizer, 20 oz Bottle | 1115
    Applied Bio Thio-Trine Chlorine & Bromine Reducer & Neutralizer, 20 oz Bottle - 1115 - 401115A
    SKU: 401115A
    $27.68
    $42
    In stock
  • Save 33% Out of stock
    Phoenix Products Blue Antifreeze Gal -50^ - 619529-BLUE
    SKU: 619529-BLUE
    $16.56
    $25
    Out of stock
  • Save 40%
    Natural Chemistry Pool Perfect Max 15301NCM
    Natural Chemistry Pool Perfect Max Phosphate Remover 3 L Bottle - 15301NCM3 Liter Bottle
    SKU: 15301NCM
    $58.50
    $99
    In stock
  • Save 20%
    SeaKlear 90411SKR
    SeaKlear 3 qt Opening & Winterizing Kit - 90243SKR
    SKU: 90243SKR
    $79
    $99
    In stock
  • Save 29% Out of stock
    Pool Care Super Mineral Eliminator 1qt
    Pool Care Super Mineral Eliminator 1qt - QPC55380EACH
    SKU: QPC55380EACH
    $44
    $62
    Out of stock
  • Save 28%
    Pool Care PH Plus 25lbs
    Pool Care PH Plus 25lbs - QPC55327
    SKU: QPC55327
    $74
    $104
    In stock
  • Save 27% Out of stock
    Pool Care Liquid Floc Rite 1qt
    Pool Care Liquid Floc Rite 1qt - QPC55282EACH
    SKU: QPC55282EACH
    $47
    $65
    Out of stock
  • Save 28% Out of stock
    Pool Care Calcium Balance Treatment 10lbs
    Pool Care Calcium Balance Treatment 10lbs - QPC55256EACH
    SKU: QPC55256
    $49
    $69
    Out of stock
  • Save 30% Out of stock
    Pool Care 30% Non-Foaming Algaecide 1qt
    Pool Care 30% Non-Foaming Algaecide - Quart Bottle - QPC50625EACH
    SKU: QPC50625EACH
    $32
    $46
    Out of stock
  • Save 30% Out of stock
    Natural Chemistry Phosfree 15236NCM 3L Bottle Extra Strength
    Natural Chemistry Phosfree 15236NCM 3L Bottle Extra Strength
    SKU: 5236
    $76
    $109
    Out of stock
  • Save 46%
    BioGuard Smart Shield 23762BIO
    BioLab BioGuard Smart Shield - 23762BIO
    SKU: 23762BIO
    $33.99
    $64
    In stock
  • Save 52%
    BioGuard Pool Complete 911 25768BIO
    BioLab BioGuard Pool Complete 911 - 25768BIO
    SKU: 25768BIO
    $39
    $82
    In stock