Pool Chemicals

Swimming Pool Chemicals for Safe & Healthy Bathing

Buy Swimming Pool Chemicals Online - Quality trusted brands delivered to your door

Please see here our very extensive range of swimming pool chemicals. We sell chemicals for above ground pools such as Intex pool chemicals, as well as in-ground outdoor or indoor pool chemicals. We only stock top quality tried and tested brands, all delivered next working day at some of the UK's best prices.

New to Swimming Pool Chemicals?

If you are new to pool chemicals, take a look at our very affordable swimming pool chemical kits to get started. Note also our symptom based shopping filters. Shop by "used in" and "used for" to select products specific to your type of pool, and your particular problem without requiring a degree in chemistry!

Pool Chemicals for Experienced Pool Owners

For experienced pool owners, we have a wide range of refills for swimming pool sanitisers, water balancers, pool testing, pool shock treatments, algaecides, cleaning and maintenance chemicals and problem solving for a variety of situations. 

Pool Chemicals for Safe & Healthy BathingPool Chemicals for Safe & Healthy Bathing
Swimming Pool Chemicals for Safe & Healthy Bathing

Featured Swimming Pool Chemicals from Pool Pro UK - Trusted by Professionals

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    Basic Pool Recovery Chemical Kit (for Cartridge Filters)
    This chemical kit bundle is extremely handy to have on the shelf for pool owners utilizing a cartridge filter. Ideal for both before or after an algae outbreak, for cloudy water and pool winterising at the end of season, and spring opening. Easy to use, high quality and excellent value. Learn More
    Regular Price £49.85 Special Price £42.25
  2. Basic Hot Tub Chemical Kit (with 1 kg Chlorine Tablets)
    A basic hot tub chemical kit, ideal for hard shell hot tubs. Contains Chlorine Tablets, pH Plus, pH Minus and Test Strips. Everything you need for day to day maintenance. Learn More
    £40.95
  3. Basic Pool Recovery Chemical Kit (for Sand Filters)
    This kit is extremely handy to have on the shelf, for pool owners utilizing a sand filter, both before or after an algae outbreak. Learn More
    £40.85
    Out of stock
  4. Pool and Hot Tub pH Reducer (Bulk Container - 25 kg)
    Perfect for hard water areas, the pH Reducer (Bulk Container - 25 kg) lowers the pool or hot tub pH water level. A quick and efficient way to prevent or cure the problems caused by high pH. PLEASE NOTE: Maximum quantity per order is 1. Learn More
    £39.95
  5. Pool and Hot Tub pH Increaser (Bulk Container - 25 kg)
    Perfect for soft water areas, the pH Increaser (Bulk Container - 25 kg) raises the pool or hot tub pH water level. A quick and efficient way to prevent or cure the problems caused by low pH. PLEASE NOTE: Maximum quantity per order is 1. Learn More
    £39.95
    Out of stock
  6. Pool and Hot Tub Chlorine Shock Granules (5 kg)
    Perfect for shock dosing pool or hot tub water, the Chlorine Shock Granules (5 kg) are an effective way to deal with water problems and restore clear, sparkling water. Learn More
    £38.95
  7. Pool Multifunctional Chlorine Tablets 200g (5 kg)
    Highly effective slow dissolving Multifunctional Chlorine Tablets 200g (5 kg), with added clarifiers and algaecides for extra protection against algae growth in the pool water. Learn More
    £35.95
  8. Pool and Hot Tub Multifunctional Mini Chlorine Tablets 20g (5 kg)
    Highly effective slow dissolving stabilised Multifunctional Chlorine Tablets 20g (5 kg), with added clarifiers and algaecides for extra protection against algae growth in the pool or spa water. Learn More
    £35.95
  9. Pool Sodium Bisulphate - pH Minus (Bulk Container - 25 kg)
    Efficient and cost effective, Sodium Bisulphate - pH Minus (Bulk Container - 25 kg) is ideal for balancing the water pH level in pools and spas, ensuring the right conditions for bathing, chemical efficiency and equipment protection. PLEASE NOTE: Maximum quantity per order is 1. Learn More
    £34.95
  10. Basic Hot Tub Chemical Kit (with 1 kg Chlorine Granules)
    A basic hot tub chemical kit, ideal for inflatable or vinyl spas. Contains Chlorine Granules, pH Plus, pH Minus and Test Strips. Everything you need for day to day maintenance. Learn More
    £33.95
  11. Pool and Hot Tub Mini Chlorine Tablets 20g (5 kg)
    Highly effective, the slow dissolving Mini Chlorine Tablets 20g (5 kg) are formulated to sanitise the pool and hot tub water and ensure safe bathing by protecting against unwanted bacteria and algae. Learn More
    £32.95
    Out of stock
  12. Pool Large Chlorine Tablets 200g (5 kg)
    Highly effective, the slow dissolving Large Chlorine Tablets 200g (5 kg) are formulated to sanitise the pool water and ensure safe bathing by protecting against unwanted bacteria and algae. Learn More
    £32.95
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