chemicals

1Kg Multifunctional Pool Buoy;

Designed for small pools (above or inground) up to 25 cubic metres (18ft diameter pool). Lasts up to 6 weeks;

Slow release chlorine, chlorine stabiliser, clarifier and algicide;

Simple to use. No more daily dosing. Ideal in conjunction with occasional use of granular chlorine. Perfect for keeping pools in sparkling condition when on holiday.

Relax Gel Cubes Pool Clarifier

by World Of Pools.com
Sold out
£12.95
  • Swimming Pool Clarifier
  • 4 Cubes in each pack
  • Each Cube will treat 12,500 gallons of water

DELIVERY: We aim to send all products out on a next working day service but all standard deliveries will be within 5 working days

RETURNS: This product can be returned in original packaging, suitable for resale, within 14 days from date of delivery.

PRODUCT INFO:

Relax swimming Pool Gel Cubes are a long lasting and simple to use clarifier, Contains 4 cubes in a box and one relax gel cube can last up to 30 days. Using a gel cube in your swimming pool pump basket is one of the most popular methods to treat swimming pool water, restoring clarity to the water.

Gel cubes such as Relax gel cubes have been on the market for years and are one of the most popular clarifer products for swimming Pool, relax cubes are a high strength clarifier that will take out the smallest of particles providing you with sparkling clear water.

Manufactured by Plastica, the gel cubes are a long lasting and fast working solution for those cloudy swimming pools. The gel cubes work by removing the finer solids that are not nominally removed by swimming pool filters by congealing them together to make a larger solid for the filter to collect. Relax gel cubes work immediately after installation and will produce remarkable improvements on your pool within the first 24hours of the pump run time

Using relax gel cubes is safe and environmentally friendly method that will enhances the clarity, sparkles and polishes of your swimming pool water. The gel cubes releases a blend of active ingredients that bind and trap contaminants and residues. This will reduces the overall maintenance requirements of your pool.

 

2Kg Relax Big Buoy Sold out

2Kg Relax Big Buoy

by H2oFun.co.uk
Sold out
£25.00
  • Swimming Pool Chemical Dosing Buoy
  • Relax Large 2Kg Chlorine, clarifier and algicide tablets in a pre-filled "buoy"
  • Contains Champion Branded Multifunctional Trichlor tablets
  • Sanatiser, Algicide and Clarifier Flocculant
  • Simple to use, no need for chemical handing

DELIVERY: We aim to send all products out on a next working day service but all standard deliveries will be within 5 working days

RETURNS: This product can be returned unused, in original packaging, suitable for resale, within 14 days from date of delivery.

PRODUCT INFO:

The 2Kg Swimming Pool Relax Chemical Buoy can be used to help keep your pool crystal clear all Winter long.

The buoy has nodules on the side of the stem with guides for water volume. The 2kg Pool Chemical Buoy should last around 2 months in a 50,000 litre (12,000 gallon) pool.If the weather is warm, then the chemicals may dissolve quicker, so please check your pool and the Doser 

If you have any questions on how to safely use the 2Kg Champion Floating Multi Functioning Pool Buoy please call or email us.

 

 

Discover the Benefits of High Purity Swimming Pool Salt for Crystal Clear Water

If you're seeking a reliable way to enhance your swimming experience, our high purity swimming pool salt is your best choice. Designed specifically for salt chlorinators, our premium salt ensures that your pool water remains crystal clear and inviting all season long.

Using Poolsel Sea Salt not only improves the quality of your swimming experience but also simplifies maintenance. Its exceptional solubility and ultra-pure formula prevent caking, thus protecting your chlorinator cells and prolonging the lifespan of your pool equipment. This means less hassle and more time enjoying your oasis!

  • ✓ 75kg of high purity swimming pool salt conveniently packaged in 25kg bags
  • ✓ Exceptionally high purity that guarantees crystal clear water
  • ✓ Vacuum-packed high-grade salt for optimal quality
  • ✓ No caking agents; safe for your chlorinator cells
  • ✓ In stock for immediate delivery; enjoy fast shipping!
  • ✓ Perfectly suited for salt chlorinators, maximizing efficiency

We pride ourselves on offering quick delivery, typically on a next-working-day service, ensuring you get your pool salt when you need it. Additionally, our high purity swimming pool salt comes with an easy return policy if unopened, providing you with peace of mind during your purchase.

Make the choice today to elevate your swimming experience. Order our high purity swimming pool salt and dive into clarity!

Relax Hot Tub Chlorine Granules - 1kg
Rapid dissolving chlorine granules for hot tubs and pools from Relax. Stabilised Chlorine Granules are the most popular method of sanitising hot tub water. Your spa needs to be chlorinated at all times. Never use your spa without first testing your spa water. The ideal chlorine level is between 3 parts per million (ppm) & 5ppm.
1LT Relax Winter Cleaner Concentrate

1LT Relax Winter Cleaner Concentrate

by World of Pools
£12.95
  • Relax Cleaner Winter Concentrate
  • 1 litre is suitable for 10,000 gallon or 45,000 litre swimming pool
  • Also contains stain and scale inhibitor
  • in-stock for fast delivery

DELIVERY: We aim to send all products out on a next working day service but all standard deliveries will be within 5 working days

RETURNS: This product is produced to order and as such is classed as a special order and cannot be returned unless there is a manufacturers defect

PRODUCT INFO:

1 LT Relax Cleaner Winter (Concentrate) is a solution containing Algicide, and Stain & Scale Inhibitor which also has the ability to clarify pool water. Designed to keep your pool free from algae over the winter period. This product can be used in conjunction with most swimming pool sanitisers.

Prior to applying the Relax concentrate cleaner winter you should increase the chlorine level to 6ppm and adjust the pH to 7.6. If the winter is mild, further treatment may be necessary

  • Relax Mult-Pool Chlorine Tablets 5kg
  • 200gm trichlor tablets for daily Swimming Pool Water Disinfection
  • Built in stabiliser to prevent loss of chlorine to sunlight
  • Includes built in water clarifier and algae inhibitor
  • Boric acid free
  • Add to skimmer basket or floating dispenser

 

DELIVERY: We aim to send Relax Multi-Pool Chlorine tablets out on a next working day service but all standard deliveries will be within 5 working days

RETURNS: This product can be returned in original packaging, suitable for resale, within 14 days from date of delivery.

PRODUCT INFO:

Relax Multi-Pool Chlorine Tablets 5kg

5kg Multi-functional tablets work to maintain swimming pool water clarity & cleanliness as it contains chlorine, algicide and clarifier. Use this as a three in one treatment to ensure your pool water is crystal clear. For use with chemical floating dispenser or chlorine feeders

Dose Rates: Add 1 Relax Multi-Pool Tablet to 45 cubic metres of swimming pool water when used in the skimmer basket. Increase dosage for heavily used pools, or if your pool is maintained at a higher temperature.


 

 

  • Relax Spa Hot Tub Instant Cartridge Cleaner
  • For cleaning and maintaining your hot tub / spa filter

 

DELIVERY: Relax Spa Hot Tub Instant Cartridge Cleaner is sent out on a next working day service but all standard deliveries will be within 5 working days

RETURNS: Relax Spa Hot Tub Instant Cartridge Cleaner can be returned if unopened and in original packaging, suitable for resale, within 14 days from date of delivery.

PRODUCT INFO:

Relax Spa Hot Tub Instant Cartridge Cleaner 500ml is ideal for cleaning and maintaining your hot tub / spa filter. it is important that your spa cartridge is kept clean at all times. A dirty or clogged up cartridge will result in unhygienic spa water and restricted water flow, often resulting in your spa main circulation pump shutting down. 

Relax Winter Cleaner Concentrate .5LT

by H2oFun.co.uk
Sold out
£9.95
  • Relax Cleaner Winter Concentrate
  • .5 litre is suitable for 5,000 gallon or 22,000 litre swimming pool
  • Also contains stain and scale inhibitor
  • in-stock for fast delivery

DELIVERY: We aim to send all products out on a next working day service but all standard deliveries will be within 5 working days

RETURNS: This product is produced to order and as such is classed as a special order and cannot be returned unless there is a manufacturers defect

PRODUCT INFO:

.5LT Relax Cleaner Winter (Concentrate) is a solution containing Algicide, and Stain & Scale Inhibitor which also has the ability to clarify pool water. Designed to keep your pool free from algae over the winter period. This product can be used in conjunction with most swimming pool sanitisers.

Prior to applying the Relax concentrate cleaner winter you should increase the chlorine level to 6ppm and adjust the pH to 7.6. If the winter is mild, further treatment may be necessary

7kg Relax pH Minus

7kg Relax pH Minus

by HTH
£21.95
  • Relax pH Minus  For Swimming Pools 
  • Fast Dissolving Relax Swimming Pool Chemicals
  • For Use In Swimming Pools Or Hot Tub Spas
  • Next Working Day Delivery

 

DELIVERY: Relax pH Minus 7kg is sent out on a next working day service but all standard deliveries will be within 5 working days

RETURNS: Relax pH Minus can be returned in original packaging, suitable for resale, within 14 days from date of delivery.

PRODUCT INFO:

Relax pH Minus swimming pools should be used to reduce the pH when the levels are too high. 

Relax pH Minus will help correct high levels of pH (above 7.6) or alkalinity (above 160mg/l). High pH or alkalinity will lead to problems with cloudy water and scaling of surfaces and pipework. High pH will make chlorine sanitisers less effective and high alkalinity can make it difficult to adjust the pH

  • Swimming Pool Chlorine Granules 1kg
    • Relax Stabilised Chlorine Granules
    • Kills Waterborne Bacteria - Protects Your Family
    • Minimal Effect On Swimming Pool pH Level.
    • Raises Free Chlorine Level In Pools

    DELIVERY: We aim to send Relax swimming pool chlorine granules out on a next working day service but all standard deliveries will be within 5 working days

    RETURNS: Relax Swimming Pool Chlorine Granules can be returned in original packaging, suitable for resale, within 14 days from date of delivery.

    PRODUCT INFO:

    Relax Stabilised Chlorine Granules are specifically designed to offer quicker and more effective pool disinfection than other Brands of swimming pool chlorine.

    Relax Stabilised Chlorine Granules are quick-acting, without having a major effect on pH levels and the addition of Stabiliser reduces Chlorine loss to sunlight, making them ideal chlorine for Outdoor Swimming Pools.

    Dose rate: 18g Per 10m3 (10,000 litres / 2,200 UK Gallons) will raise the pool water 1ppm

    If Dosing Relax Swimming Pool Chlorine Granules directly into the pool avoid inhaling the dust from Relax Stabilised Chlorine Granules tub.

    Pre-dissolve the Swimming Pool Chlorine granules if the water is cold or not circulating.

    2kg Relax Small 20g Chlorine Tablets
    • 20gm trichlor tablets for daily disinfection
    • 2kg Bucket
    • Built in stabiliser to prevent loss of chlorine to sunlight
    • Easy to use and dose
    • Slow dissolving with High chlorine content
    • Boric Acid free
    • Add to skimmer basket or floating dispenser

     

    DELIVERY: We aim to send all products out on a next working day service but all standard deliveries will be within 5 working days

    RETURNS: This product can be returned in original packaging, suitable for resale, within 14 days from date of delivery.

    PRODUCT INFO:

    Relax Small 20g Chlorine Tablets

    Relax Small Chlorine Tablets 20g provide swimming pool owners with an effective way to sanitise their pool water, keeping bacteria at bay.

     

    • Relax pH Plus Powder / pH Increaser For Swimming Pools
    • For Use In Pools Or Hot Tub Spas
    • Powder Formula So No Residue

    DELIVERY: Relax pH Plus Powder is sent out on a next working day service but all standard deliveries will be within 5 working days

    RETURNS: Relax pH Plus Powder can be returned unused in original packaging, suitable for resale, within 14 days from date of delivery.

    PRODUCT INFO:

    Relax pH Plus Powder will quickly raise the pH levels in your swimming pool or hot tub spa. Having the correct pH levels in your pool and spa water is important as low pH levels can cause eye and skin irritation and cause corrosion and damage pumps, heaters and even the pool finish.

    pH levels show whether the pool or spa water is Acidic or Alkali. Low is Acidic and High is Alkali

    How To Increase pH Levels in Swimming Pools using Relax pH Plus Powder
    To increase pH in pool water by 0.2 Add 300g per 20,000 litres (20m3) 

    With the pumps running sprinkle Relax pH Plus Powder evenly around the pool, but not into the skimmers.

    Leave the filtration running and re-check the pH levels after 24 hours. If required re-dose with Relax pH Plus Powder using the same process.

    • Relax Anti-Phosphates - Swimming Pool Phosphate Remover
    • Rebranded From Fi Clor Phosphate Remover
    • Removes Phosphates which are a major algae nutrient
    • Reduces Algicide Consumption
    • Stops Recurring Algae Blooms In Swimming Pools

    DELIVERY: We aim to send Anti Phosphates out on a next working day service but all standard deliveries will be within 5 working days

    RETURNS: Anti Phosphates can be returned in original packaging, suitable for resale, within 14 days from date of delivery.

    PRODUCT INFO:

    Relax Brand Anti Phosphates removes phosphates from swimming pool water. Excess Phosphates, which are the major algae nutrient, is quite often the reason that your swimming pool has regular Algae blooms. 

    Relax Anti-Phosphates will not kill algae, only help stop it growing, so if the pool water already contains algae, remove it using a shock treatment. When there is no more algae present follow the comprehensive instructions on the Anti Phosphates bottle.

    Following the directions will allow you to keep you pool water to crystal clear and free from Algae.


    Relax Multi Pool Chlorine Tablets 2kg

    by Relax
    Sold out
    £17.95
    • Relax Mult-Pool Chlorine Tablets 2kg
    • 200gm trichlor tablets for daily Swimming Pool Water Disinfection
    • Built in stabiliser to prevent loss of chlorine to sunlight
    • Includes built in water clarifier and algae inhibitor
    • Boric acid free
    • Add to skimmer basket or floating dispenser

     

    DELIVERY: We aim to send Relax Multi-Pool Chlorine tablets out on a next working day service but all standard deliveries will be within 5 working days

    RETURNS: This product can be returned in original packaging, suitable for resale, within 14 days from date of delivery.

    PRODUCT INFO:

    Relax Multi-Pool Chlorine Tablets 2kg

    2kg Multi-functional tablets work to maintain swimming pool water clarity & cleanliness as it contains chlorine, algicide and clarifier. Use this as a three in one treatment to ensure your pool water is crystal clear. For use with chemical floating dispenser or chlorine feeders

    Dose Rates: Add 1 Relax Multi-Pool Tablet to 45 cubic metres of swimming pool water when used in the skimmer basket. Increase dosage for heavily used pools, or if your pool is maintained at a higher temperature.


     

     

    2kg Relax Large Chlorine Tablets
    • 200gm trichlor tablets for daily disinfection
    • 2kg Bucket
    • Built in stabiliser to prevent loss of chlorine to sunlight
    • Easy to use and dose
    • Slow dissolving with High chlorine content
    • Boric Acid free
    • Add to skimmer basket or floating dispenser

     

    DELIVERY: We aim to send all products out on a next working day service but all standard deliveries will be within 5 working days

    RETURNS: This product can be returned in original packaging, suitable for resale, within 14 days from date of delivery.

    PRODUCT INFO:

    2kg Relax Large Chlorine Tablets

    2kg Relax Large Chlorine Tablets 200g provide swimming pool owners with an effective way to sanitise their pool water, keeping bacteria at bay.

    Each Relax Chlorine Tablet is individually wrapped. Each 2kg tub has 10 x 200g circular tablets (approx 75mm - 3inch). Dosage is 1 tablet per 45 cubic metres (10,000 gallons)

     

    • Relax 1 Litre Summerlong Long Life Swimming Pool Algicide
    • Slow-release algicide for long-term control of algae growth
    • One dose can protect your pool for 3–6 months
    • Designed for use in summer pool maintenance
    • Works in both chlorinated and brominated pools
    • Compatible with tiled and lined pool surfaces
    • pH-sensitive formula for best results in balanced water
    • Easy dosing based on pool volume (see below)

    Effective, long-lasting algae protection for the summer swimming season.

    PRODUCT INFO:

    Relax 1 Litre Summerlong Long Life Swimming Pool Algicide

    Relax Summerlong is a slow-release long life algicide formulated to **control and prevent most types of algae growth** throughout the warmer months. A single application of Summerlong can help protect pool water from algae for up to 3–6 months when used correctly.

    This long life algicide is effective in maintaining clear water and reducing routine algae problems so you can enjoy your pool without frequent chemical additions. It is suitable for use in both chlorinated and brominated pool systems, and works on pools with tiled or liner finishes.

    Designed to stop algae before it becomes a problem, giving you clearer water and less maintenance.

    Key Features:

    • Long-lasting algae control with a single dose
    • Slow-release formula ideal for summer maintenance
    • Suitable for chlorinated and brominated pools
    • Works with most pool types and surfaces
    • Best results when applied to balanced pool water
    • Simple, straightforward dosing by pool volume

    Designed to Solve Common Pool Owner Problems

    Algae keeps returning?
    Summerlong provides extended protection so you don’t have to constantly re-dose after pool cleaning or heavy use.

    Confused about how much to use?
    The dosing instructions below make it simple — apply based on your pool’s volume to get the best coverage.

    Want fewer chemical top-ups?
    This long life algicide reduces the frequency of routine algicide dosing when used at the start of the season.

    Keep your pool clearer for longer with Relax Summerlong Long Life Algicide.

    F.A.Q: Relax Summerlong Long Life Algicide

    Q: How long will this product protect my pool?
    A: One dose of Summerlong can help prevent algae growth for up to 3–6 months in well-maintained pool water.

    Q: Can I use this in a chlorinated pool?
    A: Yes – it is suitable for pools sanitised with chlorine as long as you respect the dosing timing and water balance.

    Q: When should I apply it?
    A: Apply when the filter is running and your pool water is balanced. Do not add chlorine within 24 hours before or after application

    Q: Is it suitable for all pool surfaces?
    A: Yes, it is compatible with both tiled and liner pools.

    Q: Do I still need to maintain chlorine levels?
    A: Yes, maintain regular free chlorine levels (e.g., 1–3 ppm) for general sanitation.

    DOSING & GUIDES:

    How to Dose Relax Summerlong

    Ensure your pool circulation pump is running and water balance is correct before dosing. Do not add chlorine within 24 hours of application, and avoid adding this product within 24 hours of chlorine addition.

    • Routine algae prevention: Add approximately 35 ml per 1,000 litres of pool water. 
    • Excessive algae present: A double dose (70 ml per 1,000 litres) may be needed for pools with visible algae growth.

    Example Dosing Table

    Water Volume Routine Dose Heavy Algae Dose
    1,000 L 35 ml 70 ml
    5,000 L 175 ml 350 ml
    10,000 L 350 ml 700 ml
    60,000 L 2,100 ml 4,200 ml

    After dosing, keep your pump running for at least 30 minutes to ensure even distribution. Monitor copper residuals monthly with a copper test and reapply if residual levels drop below recommended thresholds.

    DELIVERY: Orders normally dispatch the next working day. UK delivery typically takes 1–3 working days.

    RETURNS: Relax Summerlong algicide can be returned within 14 days if unused and in original packaging.

    • Relax Winter Chemical Kit For Closing Extra Large Swimming Pools
    • For Large Pools Up To 180m3
    • Relax Concentrated Cleaner Winter Anti-Stain Algaecide
    • Relax Shock Chlorine Granules
    • Relax Pool Chemicals to keep your pool clean over Winter

    DELIVERY: We aim to send all products out on a next working day service but all standard deliveries will be within 5 working days

    RETURNS: This product can be returned in original packaging, suitable for resale, within 14 days from date of delivery.

    PRODUCT INFO:

    Extra Large RELAX Winter Chemical Kit For Closing Swimming Pools

    Relax Winter Pool Chemical Kits will provide you with the essential water treatment products to keep your swimming pool clean throughout the winter months.

    Winterising you pool correctly with Relax Chemicals. This will help avoid costly repair bills and leave you with a clean pool to start the new season. Our Relax Brand Winter Swimming Pool Chemicals have been packaged to suit all styles of swimming pool. Relax Swimming Pool Winter Closing Kits for Closing Small, Medium, Large & Extra Large Pools.

    When closing your swimming pool for winter with Relax Winter Closing Chemicals it is vital you protect the swimming pool as much as you can, large scale units such as heat pumps and pumps have their own manufactures guidelines you should followed for winterising. But keeping the water intact and protecting your pool liner from staining is the same across the board. The pool should be shock treated first with Relax Shock, a powerful oxidizing agent that helps burn off any remaining impurities and leaves your pool clean and clear before you add the Relax Concentrated Cleaner Winter Anti Staining algaecide. 

    Relax Shock – An easy method for shock dosing your swimming pool water. An effective way to deal with water problems and restore clear sparkling water. To ensure safe to use of your pool, maintain a free level between 1-3 ppm and a pH level of between 7.2 and 7.6

    Relax Concentrated Cleaner Winter Anti-Staining Algicide - A copper free longlife algicide that has Anti-Scale & Anti-Stain properties that will help keep your pool clear all Winter.

    X-Large - Closing Pools For Winter up to 180 cubic metres - 10kg Relax Shock Granules & 4 Litres Relax Concentrated Winter Cleaner Algicide

    IF YOU NEED A DIFFERENT KIT FOR YOU POOL, PLEASE CLICK ON THE LINKS BELOW

    Small to Medium - Closing Pools For Winter up to 45 cubic metres - Max Pool Size 24ft x 12ft - 1kg Shock Granules & 1 Litre Relax Concentrated Cleaner Winter Anti-Stain Algaecide 

    Large - Closing Pools For Winter up to 90 cubic metres - Max Pool Size 40ft x 20ft  - 1 x 5kg Relax Shock Granules & 2 Litres Relax Concentrated Cleaner Winter Anti-Stain Algaecide