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PRE-SEASON SALE – 10% Discount On All Chemicals, Cleaning & Maintenance or New Products!* 

Use code: 'GBO26' at checkout

*Discount does not apply to items already on promotion, carriage charges or sodium hypochlorite

    Chemical Special Offers

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    Blue Lagoon UV System

    Blue Lagoon Spa Tech & Pool Timer UV System

    Blue Lagoon UV System provides clean, fresh and clear water efficiently.

    Water is fed through the UV unit by the filtration pump where the water is exposed to UV produced by Phillips technology from a UV lamp. Water is safely disinfected providing you with excellent water quality.

    Note: The Blue Lagoon 16W system is not recommended for use with salt chlorinators. However, all other models are compatible with salt water.
    £401.00 £351.00
    Blue Lagoon Spa Tech & Pool Timer UV System - View Options
    Certikin UV System

    Certikin UV System

    This range of UV systems are simple to install and are supplied with stainless steel mounting brackets for either horizontal or vertical installation.

    Complete with a 2 year guarantee.
    £214.00 £187.00
    Certikin UV System - View Options
    Elecro Quantum

    Elecro Quantum

    Elecro Quantum is a genuine step forward in swimming pool water treatment.
    £883.50 £690.00
    Elecro Quantum - View Options
    Spring Opening Kit

    Spring Opening Kit

    The Spring Opening Kit contains everything you need to open up an outdoor swimming pool including Shock Chlorine Granules, Long Life Algaecide, Clarifier and Water Testing Strips at a special offer package price.

    Click here to view our blog on how to open your pool for Spring


    £110.45 £99.99
    Spring Opening Kit - Add To Cart
    Winter Closing Kit

    Winter Closing Kit

    The Winter Closing Kit contains everything you need to close an outdoor swimming pool at a special offer package price.

    Includes 6 x 1kg Shock Chlorine Granules, 1 x 5 Litres All Swim Winterclear - Copper Free Algaecide and 1 x 50 Aquacheck Chlorine/pH Water Testing Strips .


    Click here to view our blog on how to close your pool for Winter


    £90.95 £81.99
    Winter Closing Kit - Add To Cart
    Palintest Photometer Test Tablets

    Palintest Photometer Test Tablets

    Palintest tablets for testing the water in swimming pools and Hot Tubs.

    250 tablets per box, compatible with Palintest Photometers.
    £24.50 £22.75
    Palintest Photometer Test Tablets - View Options
    Lovibond Photometer Test Tablets

    Lovibond Photometer Test Tablets

    Lovibond Photometer tablets for testing the water in Swimming Pools and Hot Tubs.

    250 tablets per box, compatible with Lovibond Photometers.
    £27.50 £23.60
    Lovibond Photometer Test Tablets - View Options
    Aquablanc O2 Tablets

    Aquablanc O2 Tablets

    Aquablanc O2 Tablets 1 kg are a non-chlorine active oxygen treatment for your hot tub.
    Chemical Safety and Hazard Warning Tips
    £26.00 £23.99
    Aquablanc O2 Tablets - Add To Cart
    Aquablanc A Combination Liquid

    Aquablanc A Combination Liquid

    Aquablanc A Combination Liquid 1 Litre A non-chlorine active oxygen treatment
    Chemical Safety and Hazard Warning Tips
    £19.25 £17.50
    Aquablanc A Combination Liquid - Add To Cart
    Aquachek Bromine Water Test Strips

    Aquachek Bromine Water Test Strips

    These Aquachek Bromine Water strips test for - Bromine, pH, Total Alkalinity and Total Hardness. Per 50.
    £10.95 £8.50
    Aquachek Bromine Water Test Strips - Add To Cart
    Swirl Away 475ml

    Swirl Away Pipe Cleaner 475ml

    Swirl Away pipe cleaner removes biofilm and all plumbing build up in both hot tubs and whirlpool baths.

    Swirl Away pipe cleaner is a highly concentrated pipe cleaner that is designed to be used right before the hot tub is drained. The cleaner will remove dirt, oils, and other harboured waste from the internal pipework of your hot tub.

    This build-up can impede jet action, cause foaming, contribute to the build-up of scum and reduce the effectiveness of your chemicals. Ensure that you get the cleanest hot tub before adding in fresh water after a drain.
    £12.99 £8.99
    Swirl Away Pipe Cleaner 475ml - View Options
    Blue Horizons Pool Fusion (Di-Chloro Isocyanurate Di-Hydrate, Sodium Persulphate & Clarifiers)

    Blue Horizons Pool Fusion (Di-Chloro Isocyanurate Di-Hydrate, Sodium Persulphate & Clarifiers)

    Blue Horizons Pool Fusion 175g is a powerful dual action oxidiser which should be used weekly.

    1 x 175g sachet treats 5,000 gallons (22,720 Litres) Contains: Sodium Di-chloro Isocyanurate Di-Hydrate, Sodium Persulphate.
    £5.95 £5.25
    Blue Horizons Pool Fusion (Di-Chloro Isocyanurate Di-Hydrate, Sodium Persulphate & Clarifiers) - Add To Cart
    Bayrol Spa Time Filter Cleaner

    Bayrol Spa Time Filter Cleaner

    Bayrol Spa Time Filter Cleaner 4 x 100g Sachets.
    Chemical Safety and Hazard Warning Tips
    £23.99 £19.99
    Bayrol Spa Time Filter Cleaner - Add To Cart
    Bayrol Chlorilong Power 5 Multifunctional Chlorine Tablets

    Bayrol Chlorilong Power5 Multifunctional Chlorine Tablets

    Bayrol Chlorilong Power5 Multifunctional Chlorine Tablets 5Kg. Chlorilong® POWER5 is a slow dissolving 5 function chlorine tablet for the continuous removal of impurities from the pool water
    £67.50 £63.99
    Bayrol Chlorilong Power5 Multifunctional Chlorine Tablets - Add To Cart
    Bayrol Chlorilong Classic Large Chlorine Tablets

    Bayrol Chlorilong Classic Large Chlorine Tablets

    Bayrol Chlorilong Classic Large Chlorine Tablets 5Kg. Chlorilong® CLASSIC is a slow dissolving 250g pool chlorine tablet for the continuous disinfection to eliminate bacteria and remove turbidity in the pool water.
    £65.00 £59.99
    Bayrol Chlorilong Classic Large Chlorine Tablets - Add To Cart
    Bayrol Chlorilong® ULTIMATE 7

    Bayrol Chlorilong® ULTIMATE 7

    Bayrol Chlorilong® ULTIMATE 7 4.8Kg.

    Chlorilong® ULTIMATE 7 is a 300g multi-functional chlorine tablet consisting of two layers with the following properties: -

    Shock disinfection of the sand filter, continuous disinfection to eliminate bacteria and turbidity in the pool water, flocculation, hardness and chlorine stabilisation.
    £65.00 £59.99
    Bayrol Chlorilong® ULTIMATE 7 - Add To Cart
    Blue Horizons Multifunctional Floating Dispenser (Trichloroisocyanuric Acid, Dry & Clarifiers)

    Blue Horizons Multifunctional Floating Dispenser (Trichloroisocyanuric Acid, Dry & Clarifiers)

    Blue Horizons Multifunctional Floating Dispenser 720g or 1.5Kg (Trichloroisocyanuric Acid, Dry & Clarifiers)


    ** Please Note: 1.5kg is classed as Hazardous for transport and will incur an additional £30.00 hazardous goods delivery surcharge at checkout, Charge is once per delivery and not per product. Note: 720g is not.**



    NOTE: Hazardous goods can only be sent on a two day delivery service and next day delivery is not available unfortunately.
    £19.95 £16.99
    Blue Horizons Multifunctional Floating Dispenser (Trichloroisocyanuric Acid, Dry & Clarifiers) - View Options
    Aquasparkle Ezy-Float

    Aquasparkle Ezy-Float

    A simple, easy to use chlorine dispenser, the Aquasparkle Ezy-Float contains 2 x 80g pre-filled chlorine dispensers ideal for hot tubs or inflatable swimming pools.

    Slowly doses the pool or spa water with chlorine over a 2-4 week period, the ideal holiday solution!
    £9.50 £8.99
    Aquasparkle Ezy-Float - Add To Cart
    Lo-Chlor No More Bugs

    Lo-Chlor No More Bugs

    Lo-Chlor No More Bugs is used to rid the pool of floating insects. 1 Litre.
    £16.50 £14.99
    Lo-Chlor No More Bugs - Add To Cart
    Aquasparkle Bromine Pod

    Aquasparkle Bromine Pod

    The Aquasparkle Bromine Pod is a pre-filled bromine tablet dispenser that sits in-line, delivering continuous sanitisation to kill harmful bacteria in hot tubs and pools.

    Each Pack contains 3 Pods.

    Simple, safe and cost-effective sanitisation for your hot tub!
    £42.00 £30.99
    Aquasparkle Bromine Pod - Add To Cart
    Gold Horizons Mini Kwik Tablets

    Gold Horizons Mini Kwik Tablets

    Mini Kwik Tablets 486g - Perfect for hot tubs, these fast dissolving chlorine tablets increase free chlorine levels by 1.5mg/1 (ppm) per 1,000 litres (220 gallons) of water.
    Chemical Safety and Hazard Warning Tips
    £9.75 £8.99
    Gold Horizons Mini Kwik Tablets - Add To Cart
    Aquasparkle Spa Clarity Cubes

    Aquasparkle Spa Clarity Cubes

    Aquasparkle Spa Clarity Cubes 4 x 30g are especially designed gel cubes that assist the cartridge to remove small suspended particles and restore sparkling clear water. This product is relatively pH neutral.

    * Rapid dissolving spa gel cube
    * Clears spa water fast
    * Economical - One month's treatment per pack
    £5.95 £4.99
    Aquasparkle Spa Clarity Cubes - Add To Cart
    Steamkleen Citric Acid Descaler

    Steamkleen Citric Acid Descaler

    Steamkleen Citric Acid Descaler is a granular Citric Acid and is ideal for the removal of scale inside steam generators.
    £22.00 £15.95
    Steamkleen Citric Acid Descaler - View Options
    Aquasparkle Multifunctional Chlorine Tablets

    Aquasparkle Multifunctional Chlorine Tablets

    Aquasparkle Multifunctional mini 20g chlorine tablets (1kg) are ideal for your hot tub.

    A highly effective chlorine tablet which contains clarifiers to help achieve clear, sparkling water.
    Chemical Safety and Hazard Warning Tips
    £22.50 £15.95
    Aquasparkle Multifunctional Chlorine Tablets - Add To Cart
    Pool Flip Floater

    Pool Flip Floater

    The Red Leopard Flip Floater comes with a visual early warning 'flip' system to notify you when it's time to top it up with more chemical tablets!
    £10.50 £8.99
    Pool Flip Floater - Add To Cart
    Freshwater Salt System Starter Kit

    Freshwater Salt System Starter Kit

    Freshwater Salt System Starter Kit for use in hot tub salt dosing systems specifically designed for Caldera hot tubs using Freshwater Salt and Hotspring using the Ace system.
    Chemical Safety and Hazard Warning Tips
    £399.00 £299.99
    Freshwater Salt System Starter Kit - Add To Cart
    HTH (Calcium Hypochlorite)

    HTH (Calcium Hypochlorite)

    ** Please Note: This is a Hazardous Chemical and will incur an additional £30.00 hazardous goods delivery surcharge at checkout, Charge is once per delivery and not per product**


    Click here to view alternative Calcium Hypochlorite/Shock Chlorine that can be delivered without a hazardous goods charge.



    NOTE: Hazardous goods can only be sent on a two day delivery service and next day delivery is not available unfortunately.
    £95.00 £84.99
    HTH (Calcium Hypochlorite) - View Options
    Bayrol Soft & Easy

    Bayrol Soft & Easy

    Bayrol Soft & Easy is a chlorine free solution for pool water sanitisation and algae prevention.
    Chemical Safety and Hazard Warning Tips
    £75.00 £67.00
    Bayrol Soft & Easy - View Options
    Aquasparkle Stabilised Chlorine Granules

    Aquasparkle Stabilised Chlorine Granules

    Aquasparkle 1Kg Stabilised Chlorine Granules contains Sodium Dichloroisocyanurate Dihydrate.

    A highly effective granular sanitiser that has minimal impact on the pH of your hot tub water.
    Chemical Safety and Hazard Warning Tips
    £10.95 £9.95
    Aquasparkle Stabilised Chlorine Granules - Add To Cart
    Aquachek Salt Test Strips

    Aquachek Salt Test Strips

    Salt Test Strips (per 10) Tests for Sodium Chloride 400 - 7000 ppm.
    £12.55 £9.99
    Aquachek Salt Test Strips - Add To Cart
    Freshwater Salt

    Freshwater Salt

    Freshwater salt for use in salt dosing systems specifically designed for Caldera hot tubs using Freshwater salt and Hotspring using the Ace system.

    5kg. Scoop included.
    Chemical Safety and Hazard Warning Tips
    £24.99 £19.99
    Freshwater Salt - Add To Cart
    Mr Light Inverter Salt Chlorinator

    Mr Light Inverter Salt Chlorinator

    Mr. Light uses the latest inverter technology that operates at just 1000ppm salinity. Featuring live water quality display, app control, a hyper‑disinfection mode, self‑cleaning cell, and an intuitive Oval Pad interface, it ensures safe, low‑maintenance pool sanitisation..
    £2,154.00 £1,600.00
    Mr Light Inverter Salt Chlorinator - View Options
    AquaSPArkle O2 Gentle Granules

    Aquasparkle O2 Gentle Granules

    Aquasparkle O2 Gentle Granules are a Non Chlorine sanitiser for hot tubs and spas.

    1 kg O2 Gentle Granules are to be used in conjunction with O2 Gentle Liquid.
    £23.50 £19.99
    Aquasparkle O2 Gentle Granules - Add To Cart
    Blue Horizons Ultimate Water Clarifier

    Blue Horizons Ultimate Water Clarifier Concentrate

    Blue Horizons Ultimate Water Clarifier Concentrate is a highly effective, dual-action liquid clarifier designed to clear cloudy pool water fast by binding fine particles for easy filtration.
    £26.95 £17.95
    Blue Horizons Ultimate Water Clarifier Concentrate - Add To Cart
    Kleen Pool Above Ground Pool Chemical Starter Kit

    Kleen Pool Above Ground Pool Chemical Starter Kit

    The Kleen Pool Above Ground Pool Chemical Starter Kit provides all the essential chemicals you need to prepare and maintain clean, safe water in your above ground pool.

    Includes stabilised chlorine, pH adjusters, algaecide and test strips with a handy guide.
    £29.95 £24.95
    Kleen Pool Above Ground Pool Chemical Starter Kit - Add To Cart
    Blue Horizons Ultimate Algicide Concentrate

    Blue Horizons Ultimate Algicide Concentrate

    Blue Horizons Ultimate Algicide Concentrate is a 1 Litre dual-action algaecide for the prevention and control of algae.
    £29.95 £24.95
    Blue Horizons Ultimate Algicide Concentrate - Add To Cart
    Bayrol Chlorifix Shock

    Bayrol Chlorifix Shock

    Bayrol Chlorifix Shock 2.4Kg is a granular blended product supplied in pre-measured sachets for a weekly maintenance treatment, due to its special formula, it is possible to resume swimming again 15 minutes after product application.

    Each box contains 6 double sachets of 2 x 200g. Bayrol Chlorifix Shock Sachets oxidises non-filterable wastes and clarifies water.
    £46.00 £43.00
    Bayrol Chlorifix Shock - Add To Cart
    Bayrol pH Minus (Lowers pH)

    Bayrol pH Minus (Lowers pH)

    Bayrol pH Minus 6Kg. Sodium Hydrogen Sulphate / Dry Acid.
    £25.00 £23.25
    Bayrol pH Minus (Lowers pH) - Add To Cart
    Bayrol pH Minus Liquid Domestic (Sulphuric Acid 14.9%)

    Bayrol pH Minus Liquid Domestic (Sulphuric Acid 14.9%)

    Bayrol pH-Minus Liquid Domestic is a liquid acid concentrate for continuous pH-value reduction in swimming pool water, it is 14.9% strength sulphuric acid has been specifically developed for the care of private pools.  Supplied in 20 Litre Drums.

    ** Please Note: This is a Hazardous Chemical and will incur an additional £30.00 hazardous goods delivery surcharge at checkout, Charge is once per delivery and not per product**



    NOTE: Hazardous goods can only be sent on a two day delivery service and next day delivery is not available unfortunately.
    £55.00 £52.50
    Bayrol pH Minus Liquid Domestic (Sulphuric Acid 14.9%) - Add To Cart
    Bayrol Desalgine® Jet

    Bayrol Desalgine® Jet

    Desalgine® Jet is a non-foaming, copper free, concentrated liquid algaecide for the prevention of algae growth. In addition, Desalgine® Jet contains a clarifier for enhanced sparkling water.
    £24.00 £18.95
    Bayrol Desalgine® Jet - View Options
    Bayrol Superklar

    Bayrol Superklar

    Bayrol Superklar 500ml.

    Superklar is a concentrated clarifying liquid especially designed for pools with cartridge filters.
    £30.00 £24.99
    Bayrol Superklar - Add To Cart
    Bayrol Protect & Shine

    Bayrol Protect & Shine

    Bayrol Protect & Shine 2 Litre is a ready-to-use liquid product with 2-in-1 formula. Protects the waterline against dirt deposits. For crystal-clear and sparkling pool water.
    £26.00 £14.99
    Bayrol Protect & Shine - Add To Cart
    Bayrol Spa Time Spa Pure

    Bayrol Spa Time Spa Pure

    Bayrol Spa Time Spa Pure 4 x 35g Sachets.

    Chemical Safety and Hazard Warning Tips
    £24.00 £14.99
    Bayrol Spa Time Spa Pure - Add To Cart
    Bayrol Spa Time Bromine Tablets

    Bayrol Spa Time Bromine Tablets

    Bayrol Spa Time Bromine Tablets 800g
    £43.00 £27.99
    Bayrol Spa Time Bromine Tablets - Add To Cart
    Bayrol Spa Time Active Oxygen Granules

    Bayrol Spa Time Active Oxygen Granules

    Bayrol Spa Time Active Oxygen Granules 1kg. For gentle chlorine-free water disinfection.
    Chemical Safety and Hazard Warning Tips
    £30.00 £25.00
    Bayrol Spa Time Active Oxygen Granules - Add To Cart

    Stock up on your swimming pool chemicals, swimming pool dosing systems and swimming pool water testing with our swimming pool chemical special offers on a wide range of items.

    With reductions on products including salt chlorinators & UV systems, reductions on big brands including Aquacheck, Blue Horizons, Blue Lagoon, Certikin, Lo-Chlor, Palintest, Zodiac & Kleen Pool plus special offers on everyday essentials such as chlorine and water test strips, look no further for big savings on your swimming pool chemicals and hot tub chemicals - in stock and available for either in-store collection or next working day delivery (UK Mainland only) - FREE UK delivery on orders over £60. 

     

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    2026 All Swim Catalogue

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    • All Swim Showroom
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    • Penarth Road
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