Relax

Relax

Relax Water Treatment Products Logo
Relax Water Treatment Products Logo

Relax are a trusted brand of water treatment products, from the leading manufacturer of spa and pool water products in the UK, with over 48 years of experience in the wet leisure market behind them.  Their water treatment plant produces a wide range of treatments that are made to the highest, quality-assured standards using the most up-to-date materials and manufacturing techniques.

All Relax products contain health & safety instructions and dosage advice.  If you are treating water in a commercial environment and need Health & Safety Data Sheets for your product, please contact us and we will be happy to provide these for you.

If you’re unsure of which products to use for your application, or need further advice on treating your spa, hot tub or swimming pool water our friendly team of experts at Castle Hot Tubs are ready to help!  You are welcome to contact us for free, advice and support without obligation, so that you can get the best out of your hot tub, and just……relax!

We aim to be the most competitive supplier of hot tub / spa and swimming pool treatments in the UK – and we offer even more competitive discounts of up to 33% on our bundled products – to check out these value deals type “bundle” into the search bar in our online shop.

  • 1kg Relax Small Buoy MultiPool Chlorine Tablet Dispenser Bundle

    £21.80£78.48
    Relax MultiPool Small Buoy Dispenser. Contains stabilised chlorine tablets containing clarifier & algicide in a value bundle. Treats pools up to 25,000 litres / 5,500 gallons. Buy in quantity for our discount offers!  
  • 2kg Relax Big Buoy MultiPool Chlorine Tablet Dispenser Bundle

    £26.80£96.48
    Relax MultiPool Big Buoy Dispenser. Contains stabilised chlorine tablets containing clarifier & algicide in a value bundle. Treats pools up to 110,000 litres / 24,000 gallons. Buy in quantity for our discount offers!  
  • An Image of Relax pH Minus Granules 1.5kg
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    Relax – 1.5kg – pH Minus

    £10.40
    Relax pH Minus / pH - granules are a dry acid balancer, used to reduce the pH of your hot tub / spa / swimming pool water.
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  • An image of 1kg Relax Bromine (50 x 20g Tablets)
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    Relax – 1kg – Bromine (50 x 20g) Tablets

    £17.40
    Rapid Dissolving Concentrated Sanitiser
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  • An Image of Relax 1kg Chlorine Tablets Small
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    Relax – 1kg – Chlorine Small Tablets (50 x 20g)

    £11.40
    Relax Chlorine Tablets (small) provide slow release sanitising for hot tubs, spa and swimming pools.
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  • An image of Relax Small Chlorine Tablets & Dispense Bundle
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    Relax – 1kg – Chlorine Tablets & Dispense Bundle

    £17.80
    Bundle containing: Relax Chlorine Tablets (small) and a Floating Dispenser for equal chlorine distribution.
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  • An Image of Small Chlorine Tablet, Test & Dispense Bundle
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    Relax – 1kg – Chlorine Tablets, Test & Dispense Bundle

    £19.20
    Bundle containing: Relax Chlorine Tablets (small).  Aquachek 4-way Test strips.  Floating Dispenser for equal chlorine distribution.
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    Relax – 1kg – Granular Shock Treatment

    £14.40
    Hot Tub / Spa / Swimming Pool Chlorine Oxidiser
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  • An image of 1kg Relax Multipool Small Tablets
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    Relax – 1kg – Multi-Pool Small Tablets (50 x 20g)

    £13.95
    Relax Multi Pool stabilised chlorine tablets are highly effective slow release tablets designed to boost free chlorine & contain clarifier & algicide.
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  • An Image of Relax 1kg Multipool Chlorine Tablets & Floating Dispenser Bundle
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    Relax – 1kg – Multi-Pool Small Tablets (50x20g) & Dispenser Bundle

    £17.80
    Relax Multi Pool stabilised chlorine tablets containing clarifier & algicide with dispenser value bundle.
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  • An image of Relax Multipool Tablets, AquaChek Test Strips & Floating Dispenser.
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    Relax – 1kg – Multi-Pool Small Tablets, Test & Dispenser Bundle

    £19.40
    Relax Multi Pool stabilised chlorine tablets containing clarifier & algicide with 4-way test strips & dispenser value bundle.
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  • An image of 1kg Relax Non-Chlorine Shock
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    Relax – 1kg – Non Chlorine Granular Shock Treatment

    £14.20
    Hot Tub / Spa / Swimming Pool Non-Chlorine Oxidiser
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