Pool Chemicals | Discounter's Pool & Spa Warehouse Skip to content
The unprecedented global pandemic conditions have impacted our suppliers’ manufacturing productivity and timelines, as a result, some orders may be delayed. Furthermore, our carriers have indicated they are also experiencing delays. As a result, your order may take longer than usual to be delivered. We thank you for your patience during this time.
The unprecedented global pandemic conditions have impacted our suppliers’ manufacturing productivity and timelines, as a result, some orders may be delayed. Furthermore, our carriers have indicated they are also experiencing delays. As a result, your order may take longer than usual to be delivered. We thank you for your patience during this time.

Pool Chemicals

For fastest service on all Water Care & Pool Chemicals, please visit our store locations!

  • Save $10.00

    Discounter's Pool and Spa Warehouse Opening Kit

    Original price $49.99
    Current price $39.99

    The Premium Pool Chemical Kit from Discounter's Pool and Spa Warehouse features quality chemicals and is perfect for getting above ground and in-g...

    View full details
    Original price $49.99
    Current price $39.99
    Save $10.00
  • HTH Extra Algimycin 2000 - Multi-Purpose Algaecide 1L - 72148C
    Save $16.10

    HTH Extra Algimycin 2000 - Multi-Purpose Algaecide 1L - 72148C

    Original price $45.99
    Current price $29.89

    This 60% polymer algaecide is ideal for controlling algae. Not only does this non-foaming formula treat algae but it also helps protect against fu...

    View full details
    Original price $45.99
    Current price $29.89
    Save $16.10
  • Omni Algaecide 60%, 946ml - Q3109

    $38.99

    Omni Multi-Purpose Algaecide 60 is a highly versatile algaecide that controls and prevents all types of pool algae. This product will not foam, so...

    View full details
    $38.99
  • Save $13.00

    Omni Algae Terminator, 946ml - Q3105 - Q3106

    Original price $48.99
    Current price $35.99

    Buy Online, Pickup in Store for FREE! The shipping of this item is regulated; our carriers are unable to provide Home Delivery. A revolutionary, n...

    View full details
    Original price $48.99
    Current price $35.99
    Save $13.00
  • Omni Shimmer, 12×400 g - Q2812A

    Omni Shimmer, 12×400 g - Q2812A

    $69.99

    An effective oxidizer for restoring water sparkle without chlorine. An unpleasant odor or the presence of chloramines is a signal it's past time to...

    View full details
    $69.99
  • Omni Shimmer, 400 g - Q2810

    $7.99

    An effective oxidizer for restoring water sparkle without chlorine. An unpleasant odor or the presence of chloramines is a signal it's past time to...

    View full details
    $7.99
  • Save $30.00

    HTH Extra Super Shock - 15kg - 30641

    Original price $139.99
    Current price $109.99

    Buy Online, Pickup in Store for FREE! The shipping of this item is regulated; our carriers are unable to provide Home Delivery. Shock at least onc...

    View full details
    Original price $139.99
    Current price $109.99
    Save $30.00
  • HTH Extra Super Shock - 6kg - 30640

    HTH Extra Super Shock - 6kg - 30640

    $59.99

    Buy Online, Pickup in Store for FREE! The shipping of this item is regulated; our carriers are unable to provide Home Delivery. Shock at least onc...

    View full details
    $59.99
  • HTH Shock, Granular - 16kg - 30645

    HTH Shock, Granular - 16kg - 30645

    $139.99

    Buy Online, Pickup in Store for FREE! The shipping of this item is regulated; our carriers are unable to provide Home Delivery.HTH Dry Chlorine is...

    View full details
    $139.99
  • 10 Litre Chlorine Container filled with 10 Litres of Liquid Chlorine

    $17.99

    Buy Online, Pickup in Store for FREE! The shipping of this item is regulated; our carriers are unable to provide Home Delivery. Liquid Chlorine or...

    View full details
    $17.99
  • 20 Litre Chlorine Container filled with 20 Litres of Liquid Chlorine

    $25.99

      Buy Online, Pickup in Store for FREE! The shipping of this item is regulated; our carriers are unable to provide Home Delivery. Liquid Chlorine ...

    View full details
    $25.99
  • Save $3.80

    Sani-Marc Chlorine Liqui-Shock, 5L - 30-13800-05

    Original price $11.79
    Current price $7.99

    Buy Online, Pickup in Store for FREE! The shipping of this item is regulated; our carriers are unable to provide Home Delivery. 12% liquid pool s...

    View full details
    Original price $11.79
    Current price $7.99
    Save $3.80
  • HTH Extra Super Shock - .454kg - 30318
    Save $2.00

    HTH Extra Super Shock - .454kg - 30318

    Original price $6.99
    Current price $4.99

    Shock at least once a week to maintain sparkling blue, crystal clear water. Use our premium shock products at least once a week to give your pool t...

    View full details
    Original price $6.99
    Current price $4.99
    Save $2.00
  • HTH Chlorine Tablets - 10kg - 30970

    $99.99

    Buy Online, Pickup in Store for FREE! The shipping of this item is regulated; our carriers are unable to provide Home Delivery.   Enjoy crystal c...

    View full details
    $99.99
  • Liquid Chlorine, Bulk from Tank 10L - BULK

    Liquid Chlorine REFILL from Tank - 10L BULK : CONTAINER NOT INCLUDED

    $6.99

    Buy Online, Pickup in Store for FREE! The shipping of this item is regulated; our carriers are unable to provide Home Delivery.Liquid Chlorine or ...

    View full details
    $6.99
  • Liquid Chlorine, Bulk from Tank - 20L - BULK

    Liquid Chlorine, Bulk from Tank - 20L - BULK

    $12.99

    Buy Online, Pickup in Store for FREE! The shipping of this item is regulated; our carriers are unable to provide Home Delivery. Liquid Chlorine or...

    View full details
    $12.99
  • Pool Salt 20kg

    $11.49

    Buy Online, Pickup in Store for FREE! The shipping of this item is regulated; our carriers are unable to provide Home Delivery. FEATURES & BEN...

    View full details
    $11.49
  • Omni Quick Clear Oxy Shock, 3.25 Kg - Q2866
    Save $10.00

    Omni Quick Clear Oxy Shock, 3.25 Kg - Q2866

    Original price $34.99
    Current price $24.99

    An effective oxidizer for restoring water sparkle without chlorine. An unpleasant odor or the presence of chloramines is a signal it's past time to...

    View full details
    Original price $34.99
    Current price $24.99
    Save $10.00
  • Omni Algae Kill Kit - ALGAE KILL Kit
    Save $20.00

    Omni Algae Kill Kit - ALGAE KILL Kit

    Original price $69.99
    Current price $49.99

    Buy Online, Pickup in Store for FREE! The shipping of this item is regulated; our carriers are unable to provide Home Delivery. Powerful Treatment...

    View full details
    Original price $69.99
    Current price $49.99
    Save $20.00
  • AlgaeFree Pool Blocks All Season Algaecide (600g) - 2-pack - ALG-PB-2PK

    AlgaeFree Pool Blocks All Season Algaecide (600g) - 2-pack - ALG-PB-2PK

    $29.99

    2 Pack of AlgaeFree Pool Blocks (600 g) - Good for 2 Months of Treatment Pool Blocks all season algaecide is an extra strength, slow release solid...

    View full details
    $29.99
  • AlgaeFree Pool Blocks All Season Algaecide (1.5 Kg) - 5-pack - ALG-PB-5PK

    AlgaeFree Pool Blocks All Season Algaecide (1.5 Kg) - 5-pack - ALG-PB-5PK

    $54.99

    5 Pack of AlgaeFree Pool Blocks (1.5 Kg) - Good for 3-4 Months of Treatment! Pool Blocks all season algaecide is an extra strength, slow release s...

    View full details
    $54.99
  • Omni Swim Clear Large Pucks, 6 Kg - Q2466A

    $49.99

    FEATURES & BENEFITS Compressed 3", stabilized chlorine tablets 7-oz.  No fillers 65.1% available chlorine Controls bacteria & algae in po...

    View full details
    $49.99
  • Omni Stabilized Chlorinating Stix, 6.75 Kg - Q2411

    $69.99

    Buy Online, Pickup in Store for FREE! The shipping of this item is regulated; our carriers are unable to provide Home Delivery. FEATURES & BEN...

    View full details
    $69.99
  • Save $62.00

    Omni Chlorine Stabilized Pucks, 20 Kg - Q2568

    Original price $199.99
    Current price $137.99

    Buy Online, Pickup in Store for FREE! The shipping of this item is regulated; our carriers are unable to provide Home Delivery. FEATURES & BEN...

    View full details
    Original price $199.99
    Current price $137.99
    Save $62.00
  • Omni Bromine Tablets, 18 Kg - Q2767/Q2754

    $229.99

    CORRECTION NOTICE: The eFlyer sent on Saturday May 30th, 2020, at 8:15am incorrectly stated the price of this item as $59.99.  The correct price is...

    View full details
    $229.99
  • Natural Chemistry Pool First Aid - 2L - 73201
    Save $8.00

    Natural Chemistry Pool First Aid - 2L - 73201NCM

    Original price $29.99
    Current price $21.99

    Pool First Aid, 2L ... the problem solver! Pool First Aid combines powerful concentrated natural enzymes with a fast acting polymer clarifier for q...

    View full details
    Original price $29.99
    Current price $21.99
    Save $8.00
  • Natural Chemistry Pool Magic & Phos Free - 1L - 75130NCM

    $27.99

    Close your pool with Pool Magic and next spring you'll enjoy Clear Perfect Water with half the time and work! We are not exaggerating when we say y...

    View full details
    $27.99
  • Natural Chemistry Pool Perfect MAX 3L - 75240NCM

    $59.99

    Maintenance product that cleans pools in three ways Take pool maintenance to the next level! Pool Perfect Max is Natural Chemistry’s premier maint...

    View full details
    $59.99
  • Natural Chemistry Pool Perfect Total - 2L - 5225

    **Natural Chemistry Pool Perfect Total - 2L - 75235

    $49.99

    One Product, TOTAL Pool Care! Maintenance product that cleans pools in three ways!New from Natural Chemistry! Regular pool maintenance is easy with...

    View full details
    $49.99
  • Natural Chemistry Phos Free - 2L - 75220
    Save $7.00

    Natural Chemistry Phos Free - 2L - 75220NCM

    Original price $29.99
    Current price $22.99

    Why use PHOSfree?Your pool water is constantly being invaded by phosphates.What are phosphates?Phosphates are a primary nutrient or food source for...

    View full details
    Original price $29.99
    Current price $22.99
    Save $7.00
  • Save $6.00

    Natural Chemistry Phosfree Extra Strength 946ml - 75150NCM

    Original price $29.99
    Current price $23.99

    High Powered Concentrated Phosphate Removal Phos Free Extra Strength is the only patented product that removes phosphates on the filter. This comme...

    View full details
    Original price $29.99
    Current price $23.99
    Save $6.00
  • Natural Chemistry Cell Protect 1L - 76120
    Save $15.00

    ** Natural Chemistry Cell Protect - 1L - 76120

    Original price $24.99
    Current price $9.99

    Cell Protect helps protect pools from the damaging effects of scale buildup due to excessive calcium and other minerals. Cell Protect reduces scale...

    View full details
    Original price $24.99
    Current price $9.99
    Save $15.00
  • Natural Chemistry Cyanuric Acid Removal Kit - 07431

    $79.99

    A revolutionary two-part system for reducing excessive levels of cyanuric acid in swimming pools! This unique two-part system works without the ne...

    View full details
    $79.99
  • Natural Chemistry Instant Conditioner - 3.8L - 76410
    Save $8.00

    Natural Chemistry Instant Conditioner - 3.8L - 76410NCM

    Original price $36.99
    Current price $28.99

     Natural Chemistry Instant Pool Water Conditioner is used for stabilizing chlorine from UV sunlight loss. It begins working to protect chlorine the...

    View full details
    Original price $36.99
    Current price $28.99
    Save $8.00
  • Omni Chlorine Stablizer, 2.5 Kg - Q1303
    Save $7.00

    Omni Chlorine Stabilizer, 2.5 Kg - Q1303

    Original price $29.99
    Current price $22.99

    Buy Online, Pickup in Store for FREE! The shipping of this item is regulated; our carriers are unable to provide Home Delivery. 100% cyanuric aci...

    View full details
    Original price $29.99
    Current price $22.99
    Save $7.00
  • Omni Total Alkalinity Increaser, 4.25 Kg - Q4507

    $19.99

    Omni® Alkalinity Increaser for hot tub water. FEATURES & BENEFITS Proper alkalinity helps to prevent pool water from becoming corrosive to me...

    View full details
    $19.99
  • Omni Total Alkalinity Increaser, 10 Kg - Q4508

    Omni Total Alkalinity Increaser, 10 Kg - Q4508

    $39.99

    Omni® Alkalinity Increaser for hot tub water. FEATURES & BENEFITS Proper alkalinity helps to prevent pool water from becoming corrosive to me...

    View full details
    $39.99
  • Omni Ph Increaser, 3.25 Kg - Q4523
    Save $6.00

    Omni Ph Increaser, 3.25 Kg - Q4523

    Original price $19.99
    Current price $13.99

    Omni® PH Increaser for hot tub water. FEATURES & BENEFITS Value sized container Size: 3.25kg (7.2 lbs) Product: Omni® pH Increaser Hot tub wa...

    View full details
    Original price $19.99
    Current price $13.99
    Save $6.00
  • Omni Ph Decreaser, 4.5 Kg - Q4104
    Save $5.00

    Omni Ph Decreaser, 4.5 Kg - Q4104

    Original price $19.99
    Current price $14.99

    A granular product for slowly lowering the pH of pool water.  Safer to handle and store than liquid acids. FEATURES & BENEFITS OMNI pH DECREA...

    View full details
    Original price $19.99
    Current price $14.99
    Save $5.00
  • Save $24.01

    Pro Guard Omni Ph Increaser, 25 Kg - P4527

    Original price $109.00
    Current price $84.99

    Original price $109.00
    Current price $84.99
    Save $24.01
  • Omni Calcium Hardness Increaser, 8 Kg - Q4541

    Omni Calcium Hardness Increaser, 8 Kg - Q4541

    $42.99

    Raises calcium hardness of pool water to aid in the prevention of corrosion, etched plaster and other problems resulting from low calcium hardness....

    View full details
    $42.99
  • Pro Guard Omni Calcium Hardness Increaser, 18 Kg - P4537

    $89.99

    Raises calcium hardness of pool water to aid in the prevention of corrosion, etched plaster and other problems resulting from low calcium hardness...

    View full details
    $89.99
  • Save $20.00

    Pro Guard Omni Alkalinity Increaser, 25 Kg - P4518

    Original price $69.99
    Current price $49.99

    100% Sodium Bicarbonate used as a total alkalinity increaser. This product is sold in granular form. Add this quality ProGuard product to your poo...

    View full details
    Original price $69.99
    Current price $49.99
    Save $20.00
  • Save $30.00

    Pro Guard Omni Ph Decreaser, 25 Kg - P4106

    Original price $99.99
    Current price $69.99

    Original price $99.99
    Current price $69.99
    Save $30.00
  • Anchem Muriatic Acid - 4L - MURIATIC ACID

    $13.49

    Buy Online, Pickup in Store for FREE! The shipping of this item is regulated; our carriers are unable to provide Home Delivery. Care for and...

    View full details
    $13.49
  • AlgaeFree SeriouStain Remover 1.2 Kg - ALG-SS-REM

    AlgaeFree SeriouStain Remover 1.2 Kg - ALG-SS-REM

    $34.99

    Heavy Duty SERIOUSTAIN REMOVER eliminates mineral discolouration and organic stains from pools & spa surfaces without draining the water. Poten...

    View full details
    $34.99
  • AlgaeFree SpotBlock Stain Eraser (Single) 250g - ALG-SB-01
    Save $5.00

    AlgaeFree SpotBlock Stain Eraser (Single) 250g - ALG-SB-01

    Original price $19.99
    Current price $14.99

    SPOTBLOC is a Unique Spot Stain Removal Chalk that dissolves metal and organic stains from underwater surfaces. Ideal for removing the waterline sc...

    View full details
    Original price $19.99
    Current price $14.99
    Save $5.00
  • AlgaeFree SeriouStain Prevent 600g - ALG-SS-PRE
    Save $8.00

    AlgaeFree SeriouStain Prevent 600g - ALG-SS-PRE

    Original price $29.99
    Current price $21.99

    SERIOUSTAIN PREVENT helps prevent staining by "Locking up" mineral discolouration caused by dissolved metals, bore water and iron leaching etc. Esp...

    View full details
    Original price $29.99
    Current price $21.99
    Save $8.00