Algaecides

Prevent and treat algae growth with effective algaecides for all pools. Shop algaecides at Pool Supply 4 Less from brands including HASA, Easy Care, Qualco and Advantis. Popular picks include HASA No Mor Problems Algaecide - Quart Bottle and Easy Care Algatec Super Algaecide and Clarifier - 64 oz. Bottle.

  • Save 29%
    No Mor Problems
    HASA No Mor Problems Algaecide - Quart Bottle - NMP-C12
    SKU: NMP-C12
    $29
    $41
    In stock
  • Save 21%
    Easy Care Algatec Super Algaecide and Clarifier - 64 oz. Bottle - 10064
    Easy Care Algatec Super Algaecide and Clarifier - 64 oz. Bottle - 10064
    SKU: 10064
    $55
    $70
    In stock
  • Save 17% Out of stock
    Qualco Pool Care Spring Start Up Kit to 10,000 Gallons - QPC55805
    Qualco Pool Care Spring Start Up Kit to 10,000 Gallons - QPC55805
    SKU: QPC55805
    $38
    $46
    Out of stock
  • Save 8%
    Applied Biochemist Black Algaetrine Algaecide - Quart Bottle
    Applied Biochemists Black Algaetrine Black Algae Algaecide 1 Qt - 406303A
    SKU: 406303A
    $52
    $57
    In stock
  • Save 28% Out of stock
    Pool Care 60% Non-Foaming Algaecide - Quart Bottle - QPC50627EACH
    Pool Care 60% Non-Foaming Algaecide - Quart Bottle - QPC50627EACH
    SKU: QPC50627EACH
    $35
    $49
    Out of stock
  • Save 4% Out of stock
    Pool Care Black Algaecide 1qt
    Pool Care Black Algaecide - Quart Bottle - QPC50630EACH
    SKU: QPC50630EACH
    $39
    $41
    Out of stock
  • Save 31% Out of stock
    Pool Care 3 Month Algaecide - Quart Bottle - QPC10122EACH
    Pool Care 3 Month Algaecide - Quart Bottle - QPC10122EACH
    SKU: QPC10122EACH
    $48
    $70
    Out of 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
  • Save 34%
    GLB Algae-X 30% Polyquat Algaecide, 32 oz Bottle - 71100A
    GLB Algae-X 30% Polyquat Algaecide, 32 oz Bottle - 71100A
    SKU: 71100A
    $33.58
    $51
    In stock
  • Save 33%
    Coral Seas Yellow Out Algaecide, 4 lb Bottle, 8 per Case
    BioLab Coral Seas Yellow Out Algaecide, 4 lb Bottle - 17614COR
    SKU: 17614COR
    $38.38
    $58
    In stock
  • Seaklear Problem Klear, 1 Quart Bottle - 90026SKR
    Seaklear Problem Klear, 1 Quart Bottle - 90026SKR
    SKU: 90026SKR
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    E-Z Pool All In One Pool Care Solution, 20 lb | EZP20
    APi E-Z Pool All In One Pool Care Solution, 20 lb - EZP20
    SKU: EZP20
    $239
    $342
    In stock
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    E-Z Pool Concentrated Pool Blend 10LB | EZP10
    APi E-Z Pool Concentrated Pool Blend 10LB - EZP10
    SKU: EZP10
    $119.66
    $180
    In stock
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    E-Z Pool Concentrated Pool Blend | EZP05
    APi E-Z Pool Concentrated Pool Blend - EZP05
    SKU: EZP05
    $70.02
    $106
    In stock
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    United Chemicals 2# Yellow TREAT2 Sodium Bromid 60CS/PAL - YT2-C12
    United Chemicals 2# Yellow TREAT2 Sodium Bromid - YT2-C12
    SKU: YT2-C12
    $25.98
    $39
    In stock
  • Save 26%
    ProTeam Polyquat 60 Algaecide 32 fl oz Bottle 12/Case | C003098-CS20Q
    Haviland ProTeam Polyquat 60 Algaecide 32 fl oz Bottle - C003098-CS20Q
    SKU: C003098-CS20Q
    $37.50
    $51
    In stock
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    Suncoast Algaecide 60 013-1310 Qt Pool Season - 47245960
    SKU: 47245960
    $33.20
    $50
    In stock
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    Applied Bio Swimtrine Plus Algaecide 32 fl oz Bottle 12/Case | 4009910
    Applied Bio Swimtrine Plus Algaecide 32 fl oz Bottle - 4009910 - 406103A
    SKU: 406103A
    $39.08
    $59
    In stock
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    Baleco Maintain 5% Algaecide Winterizer, 1 Gallon Bottle - 5-Apr
    SKU: 5-Apr
    $6.59
    $10
    Out of stock
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    EzymePro, 5 Gallon Drum | EZYMP5
    APi EzymePro, 5 Gallon Drum - EZYMP5
    SKU: EZYMP5
    $354.95
    $533
    In stock
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    Natural Chemistry 17732NCM 1 qt Algae Max
    Natural Chemistry 17732NCM 1 qt Algae Max
    SKU: 17732NCM
    $29
    $49
    In stock
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    EasyCare Products Easy Care Fountec Fountain Algaecide 64 oz Bottle - 50064
    SKU: 50064
    $66.08
    $100
    In stock
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    Pro Series Dual-Action Algaecide 1 Gallon Bottle 4/Case | 20605PRO
    BioLab Pro Series Dual-Action Algaecide 1 Gallon Bottle - 20605PRO
    SKU: 20605PRO
    $113.06
    $170
    In stock
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    GLB Vanquish Algaecide, 32 oz Bottle - 71118A
    GLB Vanquish Algaecide, 32 oz Bottle - 71118A
    SKU: 71118A
    $31.35
    $48
    In stock