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.

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    Natural Chemistry Spa pH Increaser, 2.49 lb Bottle | 14202NCM
    Natural Chemistry Spa pH Increaser, 2.49 lb Bottle - 14202NCM
    SKU: 14202NCM
    $21.18
    $32
    In stock
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    Natural Chemistry Spa Ph Decreaser Pods - 14303NCM
    SKU: 14303NCM
    $27.06
    $41
    Out of stock
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    Natural Chemistry Spa Phosphate Remover, 16 oz Bottle | 14251NCM
    Natural Chemistry Spa Phosphate Remover, 16 oz Bottle - 14251NCM
    SKU: 14251NCM
    $34.98
    $53
    In stock
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    Natural Chemistry Spa Defoamer Plus, 32 oz Bottle | 14232NCM
    Natural Chemistry Spa Defoamer Plus, 32 oz Bottle - 14232NCM
    SKU: 14232NCM
    $27.48
    $42
    In stock
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    Natural Chemistry Spa Stain & Scale Control, 32 oz Bottle | 14235NCM
    Natural Chemistry Spa Stain & Scale Control, 32 oz Bottle - 14235NCM
    SKU: 14235NCM
    $34.50
    $52
    In stock
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    Natural Chemistry Spa Cleanse, 32 Oz Bottle | 14230Ncm
    Natural Chemistry Spa Cleanse, 32 Oz Bottle - 14230NCM
    SKU: 14230NCM
    $35.19
    $53
    In stock
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    Natural Chemistry® 04111 Spa Chlorine Concentrate™ 2 lb
    Natural Chemistry Spa Granular Chlorine Concentrate, 2 lb Bottle - 14221NCM
    SKU: 14221NCM
    $38
    $53
    In stock
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    Natural Chemistry Calcium Increaser, 1.83 lb Bottle | 14205NCM
    Natural Chemistry Calcium Increaser, 1.83 lb Bottle - 14205NCM
    SKU: 14205NCM
    $24.50
    $37
    In stock
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    Natural Chemistry Spa Pipe Cleanse, 32 oz Bottle | 14234NCM
    Natural Chemistry Spa Pipe Cleanse, 32 oz Bottle - 14234NCM
    SKU: 14234NCM
    $35.19
    $53
    In stock
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    Natural Chemistry Alkalinity Increaser, 2.71 lb Bottle | 14204NCM
    Natural Chemistry Alkalinity Increaser, 2.71 lb Bottle - 14204NCM
    SKU: 14204NCM
    $21.18
    $32
    In stock
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    Natural Chemistry Spa Dichlor Chlorine Concentrate Granular, 5 lb Bottle, 4/Case | 14223NCM
    Natural Chemistry Spa Dichlor Chlorine Concentrate Granular, 5 lb Bottle - 14223NCM
    SKU: 14223NCM
    $79.50
    $120
    In stock
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    Natural Chemistry Spa pH Decreaser, 3.37 lb Bottle | 14203NCM
    Natural Chemistry Spa pH Decreaser, 3.37 lb Bottle - 14203NCM
    SKU: 14203NCM
    $19.05
    $29
    In stock
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    Natural Chemistry Spa Bromine Tablets, 4.5 lb Bottle | 14220NCM
    Natural Chemistry Spa Bromine Tablets, 4.5 lb Bottle - 14220NCM
    SKU: 14220NCM
    $79
    $119
    In stock
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    Natural Chemistry Spa Brominating Concentrate, 2 lb Bottle | 14224NCM
    Natural Chemistry Spa Brominating Concentrate, 2 lb Bottle - 14224NCM
    SKU: 14224NCM
    $32
    $46
    In stock
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    Natural Chemistry Spa Clarify Clarifier, 16 oz Bottle | 14216NCM
    Natural Chemistry Spa Clarify Clarifier, 16 oz Bottle - 14216NCM
    SKU: 14216NCM
    $18.33
    $28
    In stock
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    Natural Chemistry Spa Bromine Tablets, 1.5 lb Bottle | 14229NCM
    Natural Chemistry Spa Bromine Tablets, 1.5 lb Bottle - 14229NCM
    SKU: 14229NCM
    $36.58
    $55
    In stock
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    Natural Chemistry Pro Series PhosREMOVE Phosphate Remover, 32 oz Bottle | 20500PRO
    Natural Chemistry Pro Series PhosREMOVE Phosphate Remover, 32 oz Bottle - 20500PRO
    SKU: 20500PRO
    $39.95
    $60
    In stock
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    Natural Chemistry Pro Series Algae Break 90 Algaecide, 1 Gallon Bottle | 20760PRO
    Natural Chemistry Pro Series Algae Break 90 Algaecide, 1 Gallon Bottle - 20760PRO
    SKU: 20760PRO
    $85.48
    $129
    In stock
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    Pro Series Prozymes Pool, 1 Gallon Bottle, 4/Case | 20401PRO
    BioLab Pro Series Prozymes Pool, 1 Gallon Bottle - 20401PRO
    SKU: 20401PRO
    $58.31
    $88
    Out of stock
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    Natural Chemistry Salt Water Magic Monthly Kit, 1 L Bottle | 17404NCM
    Natural Chemistry Salt Water Magic Monthly Kit, 1 L Bottle - 17404NCM
    SKU: 17404NCM
    $42.14
    $64
    In stock
  • Save 22%
    Natural Chemistry Instant Pool Water Conditioner, 1 Gallon Bottle | 17401NCM
    Natural Chemistry Instant Pool Water Conditioner, 1 Gallon Bottle - 17401NCM
    SKU: 17401NCM
    $39
    $50
    In stock
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    BioLab Pro Series Prozymes Spa 5GAL - 20405PRO
    SKU: 20405PRO
    $255.95
    $384
    Out of stock
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    BioLab NC Pro Series Algae Break 90 Algaecide, 4 x 1 Gallon - 20860PRO
    SKU: 20860PRO
    $96.68
    $146
    In stock
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    BioLab Pro Series Algae Break 90, 5 Gallon Pro Series Algae Break 90 3 Month Algicide 5 Gallon Nla 5 GALLON/18.9L - 2076
    SKU: 20765PRO
    $686
    $824
    Out of stock