Pool Chemicals & Pool Care

Premium Pool Chemicals for Crystal-Clear Water

Maintain a pristine and healthy swimming pool with The Spa Shop’s high-quality pool chemicals. Our expertly selected range includes:

  • Sanitisers: Powerful solutions to keep your pool water safe and hygienic.
  • Clarifiers: Enhance water clarity for a sparkling, inviting pool.
  • pH Balancers: Ensure perfect water balance for comfort and equipment protection.
  • Shock Treatments: Rapidly restore water quality for a fresh and clean pool.

Suitable for all pool types, our products make maintenance simple and effective. Trust The Spa Shop for expert solutions to keep your pool in top condition.

Shop now for fast delivery across New Zealand!

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  • BioGuard Algi Destroyer

    BioGuard Algi Destroyer

    Algi Destroyer is an effective destroyer of stubborn algae infestations especially green and black spot algea  By combingin two active ingredients into one formula, a double action attack eradicates algae swiftly and successfully  Being a non-metal algaecide is ideal for use with vinyl-lined pools...
    $105.00
    $105.00
  • BioGuard MSA Extreme

    BioGuard MSA Extreme

    MSA Extreme BioGuard MSA Extreme is a patented, non-staining, highly concentrated copper-based algaecide powerful enough to kill all types of algae in swimming pools. It is formulated to insure against instances of ‘green hair’, water discolouration and pool surface staining so often encountered with...
    $92.00
    $92.00
  • Pool Magnet Plus

    Pool Magnet Plus

    Pool Magnet Plus BioGuard Pool Magnet Plus is a chelating agent that binds iron, copper and manganese in the water to prevent them from being oxidised and staining the pool surface or discolouring the water. Liquid chelating agent. When used according to label instructions,...
    $72.00
    $72.00
  • Power Floc Maxi - The Spa Shop

    Power Floc Maxi

    $75.00
    $75.00
  • Smarter Sticks 3.6kg - The Spa Shop

    Smarter Sticks 3.6kg

    Smarter Sticks are stabilised sticks containing SilkGuard to protect pools against corrosion and staining  Also features SunShield to provent chlorine breakdown trom the sun's damageing UV rays and SmartGuard technology for controlled dissolving rate when the pump is off. Designed for pool owners who...
    $229.00
    $229.00
  • Smarter Sticks 1.8kg - The Spa Shop

    Smarter Sticks 1.8kg

    Smarter Sticks are stabilised sticks containing SilkGuard to protect pools against corrosion and staining  Also features SunShield to provent chlorine breakdown trom the sun's damageing UV rays and SmartGuard technology for controlled dissolving rate when the pump is off. Designed for pool owners who...
    $118.00
    $118.00
  • Cw Pool Kleer Algaecide 5L Chemicals

    CW Pool Kleer Algaecide 5L

    Copper and quaternary complex algaecide and sanitiser for swimming pools. Helps to keep pool water clear and free of visible algae. NONE OF THESE ALGAECIDES SHOULD BE USED IN PONDS WITH AQUATIC LIFE.
    $65.00
    $65.00
  • Cw Starver Pool Treatment 1 Litre Chemicals

    CW STARVER POOL TREATMENT 1 LITRE

    Phosphate Remover (reduces algae growth)
    $28.00
    $28.00
  • CW Liqua Floc 1L - The Spa Shop

    CW Liqua Floc 1L

    Liqua floc removes finely suspended particles from cloudy murky water that the filter cannot normally clean. Restores clarity and adds sparkle to your pool water.  Active ingredient 400g/litre  Polyaluminuim chloride
    $21.00
    $20.00
    $21.00
  • BioGuard Oxysheen 900g - The Spa Shop

    BioGuard Oxysheen 900g

    BioGuard Oxysheen – Fast-Acting Chlorine-Free Shock Revitalise your pool water with BioGuard Oxysheen, a powerful chlorine-free oxidiser. This fast-acting formula eliminates organic contaminants, restoring water clarity without affecting chlorine levels. Ideal for regular maintenance, Oxysheen keeps your pool sparkling and ready for use. Why...
    $62.00
    $62.00
  • CW LIQUID CHLORINE 20L - The Spa Shop

    CW LIQUID CHLORINE 20L

    $75.00
    $75.00
  • CW LIQUID CHLORINE 5L - The Spa Shop

    CW LIQUID CHLORINE 5L

    Liquid Chlorine - Sodium Hypochlorite >15% is effective against most bacteria algae and other micro-organisms and is excellent for maintaining a free chlorine residual in pool water.
    $37.00
    $37.00
  • BioGuard CYA-Free Eco Sunscreen & Clarifier - The Spa Shop

    BioGuard CYA-Free Eco Sunscreen & Clarifier

    Sun on your swimming pool is awesome, but not if your sanitiser isn’t protected. BioGuard Eco Sunscreen and Clarifier is a CYA (Cyanuric Acid) FREE stabiliser that protects the sanitiser from the suns UV rays. Salt pools and chlorine pools need stabilised water to...
    $59.00
    $59.00
  • Premium_Pool_Salt

    The Spa Shop Premium Pool Salt 20kg

    The Spa Shop Premium Pool Salt – High-Purity Salt for Crystal-Clear Pool WaterKeeping your pool water clean, balanced, and sparkling has never been easier with The Spa Shop Premium Pool Salt. Specially formulated for saltwater chlorination systems, this high-quality pool salt contains 99.6% pure...
    $24.00
    $23.00
    $24.00

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