Chemicals/Spa Care

Premium Spa Chemicals and Maintenance Products

Explore The Spa Shop’s extensive selection of high-quality spa care products designed to keep your spa in pristine condition. Our range includes:

  • Sanitizers: Ensure clean and safe water with our effective sanitizing solutions.
  • Clarifiers: Achieve crystal-clear water with our top-performing clarifiers.
  • pH Balancers: Maintain the perfect water balance with our easy-to-use pH balancers.
  • Shock Treatments: Quickly address water quality issues with our powerful shock treatments.

Our products are formulated for various spa types, making maintenance easy and effective. Trust our expert solutions to enhance your relaxation and promote a healthy, enjoyable spa environment.

Shop now to find everything you need for the ultimate spa experience!

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  • Bio Guard Spa Sanitiser

    Bio Guard Spa Sanitiser

    Keep your spa water sparkling clean and safe with BioGuard Spa Sanitiser. Specially formulated to provide effective sanitation, this top-quality product ensures your spa remains a relaxing oasis free from harmful bacteria and contaminants. Key Benefits: Powerful Sanitization: Eliminates bacteria and viruses to keep...
    From $35.00
    From $35.00
  • Bio Guard Armour

    Bio Guard Armour

    Enhance the longevity and performance of your spa with BioGuard Armour, the ultimate solution for spa water protection. This innovative product creates a barrier that defends against contaminants, ensuring your spa remains in top condition. Key Benefits: Superior Protection: Shields your spa from dirt,...
    From $48.00
    From $48.00
  • Freshwater Mineral Spa Sanitizer- Continuous Silver Ion

    Freshwater Mineral Spa Sanitizer- Continuous Silver Ion

    Upgrade your spa's water quality with the Silver Ion Cartridge, designed for effective purification and enhanced hygiene. This high-performance cartridge uses the power of silver ions to deliver exceptional water clarity and sanitation, keeping your spa experience clean and relaxing. Key Benefits: Advanced Purification:...
    $59.00
    $59.00
  • Simple Silver

    Simple Silver

    Experience unparalleled water purification with SimpleSilver 500g, a high-quality silver ion product designed for effective and safe sanitation. Ideal for spas, pools, and various water systems, SimpleSilver helps maintain pristine water quality and a healthier environment. Key Benefits: Powerful Purification: Utilizes silver ions to...
    From $435.00
    From $435.00
  • Freshwater 5-way Test Strips

    Freshwater 5-way Test Strips

    Ensure your spa water is always in perfect balance with the Freshwater 5-Way Test Strips. Specially designed to test the five key chemical levels—chlorine, pH, total alkalinity, calcium hardness, and total bromine—these strips are essential for maintaining water quality and safety. Regular testing helps...
    $28.00
    $28.00
  • BioGuard Filter Renew (Spray Bottle) 750ml

    BioGuard Filter Renew (Spray Bottle) 750ml

    Enhance the performance and lifespan of your spa filter with BioGuard Filter Renew. This advanced cleaner is specially formulated to remove oils, grease, and mineral deposits that build up over time, ensuring your filter works efficiently. Regular use of Filter Renew improves water flow...
    $45.00
    $45.00
  • BioGuard Purity

    BioGuard Purity

    BioGuard Purity is a premium clarifying product designed to remove non-filterable contaminants and enhance the quality of your spa water. This granular formula helps eliminate oils, lotions, and other organic wastes, improving water clarity and making your spa environment more inviting. By reducing the...
    From $7.00
    From $7.00
  • 303 Aerospace Protectant 473ml

    303 Aerospace Protectant 473ml

    Keep your spa and outdoor surfaces looking like new with 303 Aerospace Protectant. This powerful UV-blocking formula provides long-lasting protection against fading, cracking, and discoloration caused by the sun’s harmful rays. Designed for a wide range of surfaces, including vinyl, rubber, plastic, and fiberglass,...
    $39.00
    $39.00
  • CW Pool & Spa Filter Cleaner 1L

    CW Pool & Spa Filter Cleaner 1L

    Maintain peak performance and extend the life of your spa or pool filter with Crystal Water Filter Cleaner. This highly effective cleaning solution is designed to remove stubborn dirt, oils, and scale buildup from filter cartridges, ensuring your filtration system works at maximum efficiency....
    $25.00
    $25.00
  • CW Bromine Tablets 1kg

    CW Bromine Tablets 1kg

    Maintain pristine water quality in your spa or pool with Bromine Tablets. Each 1kg container contains 40 tablets, each weighing 20 grams, providing a reliable and long-lasting source of bromine. This powerful sanitizer effectively eliminates bacteria, algae, and other contaminants, ensuring clean, safe water...
    $55.00
    $55.00
  • CW Spa Shoc Shot Pills 1kg

    CW Spa Shoc Shot Pills 1kg

    Revitalize your spa with Crystal Water Spa Shoc Shot, a powerful and fast-acting sanitizer designed to quickly restore water clarity and balance. This innovative product is formulated to deliver an immediate boost to your spa’s sanitation system, effectively neutralizing contaminants, removing impurities, and enhancing...
    $27.00
    $27.00
  • Cw Spa Brilliance 1Kg Chemicals

    CW Spa Brilliance 1kg

    ransform your spa experience with Spa Brilliance, a premium water treatment solution designed to enhance the clarity and quality of your spa water. This advanced formula works by removing impurities and contaminants, ensuring a sparkling clean and inviting spa. Spa Brilliance also helps to...
    $25.00
    $25.00
  • Spa Start Up Kit - Chlorine Chemicals

    CW Spa Start Up Kit - Chlorine

    Kickstart your spa experience with the Spa Start-Up Kit (Chlorine), a comprehensive solution designed to ensure your spa is perfectly balanced and ready for use. This all-in-one kit includes essential products to get your spa water clean, clear, and inviting from the very beginning....
    $110.00
    $110.00
  • Cw O2 Shock 1Kg Chemicals

    CW O2 Shock 1kg

    Revitalize your spa water with Crystal Water O2 Shock, a powerful oxygen-based shock treatment designed to enhance water clarity and improve overall sanitation. This fast-acting, non-chlorine formula effectively oxidizes organic contaminants and neutralizes impurities, ensuring your spa remains sparkling clean and inviting. Ideal for...
    $39.00
    $39.00
  • Freshwater Spa Salt Chemicals

    Freshwater Spa Salt 4.5kg

    Ensure your HotSpring spa operates at its best with Freshwater Spa Salt. This premium-quality salt is specially formulated for use with HotSpring and other saltwater chlorine generators, providing consistent and reliable chlorination. The 4.5kg bag is perfect for maintaining the ideal salt concentration, keeping...
    $58.00
    $58.00
  • BioGuard Velvet 1kg

    BioGuard Velvet 1kg

    Enhance your pool or spa experience with Velvet, a premium water care solution designed to deliver superior clarity and smoothness to your water. This innovative product combines advanced technology with ease of use, offering effective maintenance and long-lasting results. Velvet helps to prevent and...
    $49.00
    $49.00
  • CW SPA CHLOR 1KG

    CW SPA CHLOR 1KG

    Ensure your spa water remains clean, clear, and inviting with Spa Chlor, a high-quality chlorine sanitizer designed specifically for spas and hot tubs. This effective product provides reliable sanitation by eliminating bacteria and contaminants, ensuring a safe and enjoyable soaking experience. Spa Chlor is...
    $29.00
    $29.00
  • Bio Guard Swirl Away Pipe Cleaner 500Ml General

    BioGuard Swirl Away Pipe Cleaner 500ml

    Keep your pool or spa in pristine condition with Swirl Away, a powerful and effective product designed to remove unsightly oils, scum, and organic buildup from your water. This advanced formula tackles contaminants that cause waterline stains and debris, ensuring a cleaner and more...
    $32.00
    $32.00
  • Insta Test 4Plus Spa Chemicals

    Insta Test 4plus Spa

    Quickly and accurately monitor the water quality of your spa or pool with 4 Plus Insta Test Strips. These convenient strips provide instant results for key water parameters, including pH, chlorine, alkalinity, and calcium hardness. Designed for ease of use, they help you maintain...
    $35.00
    $35.00
  • Freshwater Instant Filter Cleaner 473ml

    Freshwater Instant Filter Cleaner 473ml

    Ensure optimal performance of your spa or pool filter with Instant Filter Cleaner Spray. This advanced cleaning solution is specially formulated to swiftly dissolve and remove grease, oils, and debris from filter elements. Ideal for both cartridge and other types of filters, this easy-to-use...
    $38.00
    $38.00
  • Bio Guard Performance Up 500G General

    BioGuard Performance Up 500g

    BioGuard Performance Up BioGuard SPA Performance Up raises Total Alkalinity to help prevent equipment corrosion and surface damage and helps control the pH. Protects the pH from being influenced by factors such as rain, bather load and other chemical applications. Prevents corrosion of equipment....
    $20.00
    $20.00
  • Bio Guard Comfort Up 500G General

    BioGuard Comfort Up 500g

    BioGuard Comfort Up BioGuard SPA Comfort Up raises pH to help prevent equipment corrosion, surface damage, and skin and eye irritation. Prevents corrosion of equipment. Protects spa surface. Raises pH. Reduces potential of skin and eye irritation.
    $14.00
    $14.00
  • Spacare Leak Sealer 500Ml General

    Spacare Leak Sealer 500ml

    Leak Sealer is a concentrated formulation to seal minor leaks in spas and hot tubs. It can be used for leaks in either the shell and /or internal plumbing system. 1. Remove all cartridge filters, or for sand filters select the BYPASS option (if applicable)...
    $35.00
    $35.00
  • Cw Calcium Hardener 750Gm Chemicals

    CW Calcium Hardener 750g

    CALCIUM HARDENER (Calcium Chloride)Total water hardness refers to the amount of calcium and magnesium carbonate in the water. If too low CH can cause etching of plaster and metal corrosion. High CH causes scale formation marble discolouration and cloudy water. Available Size Options: 25kg...
    $19.00
    $19.00
  • Frog Bromine Cartridge Chemicals

    Frog Bromine Cartridge 150g

    The SPA FROG® In-Line System enhances a standard hot tub up to 600 gallons with its patented delivery of minerals and a low dose of bromine. This hot tub Fresh Mineral Water® system eliminates the need for daily maintenance & chlorination, improves spa water quality and removes the unmistakable smell of chlorine, all the while...
    $40.00
    $40.00
  • Freshwater pH/Alkalinity Up 680g

    Freshwater pH/Alkalinity Up 680g

    Prevents pH bounce and deterioration of spa surface and fittings from low total alkalinity.  The ideal range of Total Alkalinity in a spa is 180-120 parts per million.  This product is used to raise the Total Alkalinity and pH of spa water.
    $26.00
    $26.00
  • Crystal Clear General

    BioGuard Crystal Clear 500ml

    BioGuard Crystal Clear BioGuard SPA Crystal Clear is specifically designed for clarifying cloudy water in spas. Makes water clear and sparkling. Concentrated formula saves time and money. Easy to use.
    $32.00
    $32.00
  • BioGuard Shield 450g

    BioGuard Shield 450g

    BioGuard SPA Shield raises calcium hardness to help prevent corrosion of equipment and etching of surfaces. Protects spa surface and equipment. Helps prevent corrosion of equipment. Helps prevent etching. Increases and assists in maintaining calcium hardness levels.
    $20.00
    $20.00
  • Freshwater Salt Test Strips Chemicals

    Freshwater Salt Test Strips

    Freshwater Salt Test Strips These Test Strips are designed for HotSprings ACE Salt Water Sanitizing system. Measure amount of Salt in the spa. 25 Test Strips.
    $24.00
    $24.00
  • Bio Guard Foam Go 500G General

    BioGuard Foam Go 500g

    BioGuard Foam Go BioGuard SPA Foam Go eliminates foaming in spas and pools with attached spas. Eliminates unsightly foam instantly.
    $42.00
    $42.00
  • CW No Foam 1L

    CW No Foam 1L

    No Foam eliminates and prevents foam build up in spas, hot tubs, whirlpools, ornamental pools and fountains or wherever foaming may be a problem. Directions for use; - ALWAYS SHAKE FIRST, ensure spa is running when applying. Prevention of Foam add 20mls per fortnight...
    $36.00
    $36.00
  • Cw Ph Increase 1Kg Chemicals

    CW PH Increase 1kg

    (Soda Ash) Neutral water has a pH of 7.0. A pH reading below 7.0 indicates the water is acidic and a reading above 7.0 indicates the water is alkaline. Available Size Options: 1kg . 2kg . 4.5kg . 25kg . 
    $19.00
    $19.00
  • Aquachek Spa Test Strips 6-In-1 General

    Aquachek Spa Test Strips 6-IN-1

    Total Chlorine  Free Chlorine  Total Bromine  Total Alkalinity  Total Hardness  PH 50 Test Strips 
    $32.00
    $32.00
  • Cw Ph Buffer 1Kg Chemicals

    CW PH Buffer 1kg

    (Sodium Bicarbonate) Low Total Alkalinity (TA) levels can lead to corrosion & staining also making it difficult to control sudden changes in pH. High TA levels can cause cloudiness eye irritation & scale. 
    $19.00
    $19.00
  • Freshwater Concentrated Chlorine Granules 907g

    Freshwater Concentrated Chlorine Granules 907g

    The Freshwater Concentrated Chlorinating Granules is a popular efficient sanitiser that is completely soluble and nearly pH neutral. Bottle weighs 2lbs. (907 g).
    $65.00
    $65.00
  • Spa Start Up Kit - Bromine Chemicals

    CW Spa Start Up Kit - Bromine

    Crystal Water Spa start up kit is designed for easy convenience with all the products in one box for your initial spa treatment. The kit contains: 800g Bromine 1kg pH decrease 1kg pH buffer 750g Calcium Hardener Aquacheck 3 in 1 pool and spa...
    $120.00
    $120.00
  • Cw Ph Decrease 1Kg Chemicals

    CW PH Decrease 1kg

    (Sodium Bisulphate) Neutral water has a pH of 7.0. A pH reading below 7.0 indicates the water is acidic and a reading above 7.0 indicates the water is alkaline.
    $19.00
    $19.00
  • Freshwater Stain and Scale 473ml

    Freshwater Stain and Scale 473ml

    Stain and Scale Defense  Prevents calcium buildup and spa surfaces Eliminates iron and other metallic staining in spas
    $28.00
    $28.00
  • BioGuard Swim Clear

    BioGuard Swim Clear

    Swim Clear is a completely soluble stabilised granular chlorinating product suitable for both regular sanitation and shocking  Completely and instantly soluble leaving no residual  Will not cloud water  Excellent for sanitising small above ground pools  Concentrated so you use less Minial impact on water...
    From $35.00
    From $35.00
  • Pipe Cleaner 500Ml Chemicals

    CW Pipe Cleaner 500ml

    Pipe cleaner for spas, spa baths and hot tubs 
    $26.00
    $26.00
  • Bio Guard Aquality 750G General

    BioGuard Aquality 750g

    BioGuard Aquality BioGuard SPA Aquality slowly lowers pH and decreases Total Alkalinity to help prevent scale build-up, cloudy water and eye irritation. Lowers pH and Total Alkalinity. Helps improve chlorine/bromine efficiency. Prevents corrosion of equipment. Reduces the risk of scale formation.
    $24.00
    $24.00
  • Bio Guard Perfect Balance 1L General

    BioGuard Perfect Balance 1L

    Perfect Balance  Perfect Balance is an alternative buffer that maintains a stable pH, softens water and inhibits corrosion in spas and hot tubs. Built-in corrosion inhibitors. Helps control pH and Total Alkalinity. Not for use in concrete or fully tiled spas. Benefits:  Maintains stable,...
    $72.00
    $72.00
  • Aquachek Test Strips Yellow 4:1 (50 In Bottle) Chemicals

    Aquachek Test Strips Yellow 4:1

    Aquachek 4 Way Test - Free Chlorine PH Total Alkalinity Cyanuric Acid. 50 Test Strips 
    $30.00
    $30.00
  • Bio Guard Symmetry 750G General

    BioGuard Symmetry 750g

    Symmetry BioGuard SPA Symmetry can be used in automatic feeders or floaters for sanitising spas. When used as directed, its slow, consistent dissolving rate provides a constant and reliable sanitiser level at all times. Controls bacteria and algae in spas. Ideal for indoor spas,...
    From $49.00
    From $49.00
  • Freshwater pH/Alkalinity Down 680g

    Freshwater pH/Alkalinity Down 680g

    The Freshwater pH/Alkalinity Down decreases the pH and Alkalinity in your spa preventing cloudy water and scale formation.
    $28.00
    $28.00
  • Cw Spa Chlor 2Kg Chemicals

    CW Spa Chlor 2kg

    Stabilised Chlorine Granules (Dichlor) - direct addition no pre-dissolve required   Available Size Options: 1kg . 2kg 
    $52.00
    $52.00
  • Aquachek Test Strips Gold 7:1 Refill Chemicals

    Aquachek Test Strips Gold 7:1 Refill

    Aquachek 7 Way Test - Total Bromine Total Chlorine Free Chlorine Calcium Hardener PH Total Alkalinity Cyanuric Acid 50 in Bottle
    $40.00
    $40.00
  • Freshwater Cover Shield General

    Freshwater Cover Shield 473ml

    Freshwater Cover Shield from Hot Spring Spas cleans, shines, and protects your vinyl spa cover surface. Cleans, shines and protects vinyl cover surfaces Repels water, dust and dirt Forms a protective shield on your vinyl spa cover Helps resists fading, stains and dirt Repeated...
    $45.00
    $45.00
  • Bio Guard Filter Brite 250G General

    BioGuard Filter Brite 250g

    BioGuard Filter Brite BioGuard Filter Brite restores the efficiency of pool water filters by removing scale and rust deposits, greases, oils and organic wastes, whilst sanitising the filter media or cartridge. Improves filtration and circulation to help keep water clear. Lengthens life of the...
    $35.00
    $35.00
  • Freshwater Salt Cartridge (Single)

    FreshWater Salt Cartridge (Single)

    Single cartridge for HotSpring Freshwater salt systems  Pack of 3 available too 
    $140.00
    $140.00
  • Cw Ph Increase 2Kg Chemicals

    CW PH Increase 2kg

    (Soda Ash) Neutral water has a pH of 7.0. A pH reading below 7.0 indicates the water is acidic and a reading above 7.0 indicates the water is alkaline.   Available Size Options: 1kg . 2kg . 4.5kg .25kg . 
    $28.00
    $28.00
  • Bio Guard Squeaky Clean 500Ml General

    BioGuard Squeaky Clean 500ml

    BioGuard SPA Squeaky Clean is a heavy-duty alkaline surface cleaner that removes scale, hard water deposits, fresh stains, grease and dirt from along the water line. Cleans spa surfaces without damaging them. Makes cleaning easier. Keeps spa surfaces clean and bright.
    $36.00
    $36.00
  • BioGuard Pacific Blue Power Tabs 8kg

    BioGuard Pacific Blue Power Tabs 8kg

    Pacific Blue Power Tabs are unique patented 160g pool tablets that provide optimum sanitation for pools as well as having multifunctional capabilities to assist in buffering and clarifying pool water.  Ensures sparking clear pool water.  Less skin and eye irritation than many chlorination products. ...
    $255.00
    $255.00
  • Cw Ph Buffer 2Kg General

    CW PH Buffer 2kg

    (Sodium Bicarbonate) Has the ability of resisting changes in the pH levels of water and buffers the water from wild pH swings. It will raise the Total Alkalinity in pools and spa pools. Usually the first product added to start the treatment of the...
    $25.00
    $25.00
  • Cw H2Ok 1L Chemicals

    CW H2OK 1L

    H2OK Non Chlorine Treatment for Spas and Pools (works in partnership with O2 Shock)
    $32.00
    $32.00
  • Insta Test Pool 4 Chemicals

    Insta Test Pool 4

    The New "PLUS" 1-dip formula that allows the user to just dip the strip into the water and receive accurate, instant w availableresults. The new formula is designed for stable color development to allow adequate time for the user to match very distinct colors...
    $35.00
    $35.00