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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  1. 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
    £59.95
    Out of stock
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    Basic Hot Tub Chemical Kit (with 2.5 kg Mini-Chlorine Tablets)
    A basic hot tub chemical kit, ideal for inflatable or hard shell hot tubs. Contains Chlorine Tablets, pH Plus, pH Minus and Test Strips. Everything you need for day to day maintenance. Learn More
    Regular Price £56.79 Special Price £51.00
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    Basic Pool Chemical Kit (with 5 kg Chlorine Granules)

    A basic swimming pool chemical kit for regular sanitisation, pH balancing, and testing.

    Learn More
    Regular Price £56.84 Special Price £51.00
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    Basic Pool Chemical Kit (with 2 kg Large Chlorine Tablets)
    A basic swimming pool chemical kit for regular sanitisation, pH balancing, and testing. Learn More
    Regular Price £51.79 Special Price £46.50
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    Basic Hot Tub Chemical Kit (with 1 kg Chlorine Tablets)

    A basic hot tub chemical kit, ideal for hard shell hot tubs and small pools, up to 8ft. Everything you need for day to day maintenance. The kit contains:

    • 1 x Pool and Hot Tub Mini Chlorine Tablets 20g (1 kg) 
    • 1 Pool Floating Chemical Dispenser (Small Tablets)
    • 1 x Pool and Hot Tub pH Increaser (1 kg)
    • 1 x Pool and Hot Tub pH Reducer (1.5 kg)
    • 50 x AquaChek Test Strips (Chlorine)
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    Regular Price £40.79 Special Price £36.75
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    Basic Hot Tub Chemical Kit (with 1 kg Chlorine Granules)

    A basic hot tub chemical kit, ideal for acrylic, inflatable or vinyl spas, and starter kit for a small pool. The KIT contains:

    • 1 x Pool and Hot Tub Stabilised Chlorine Granules (1 kg)
    • 1 x Pool and Hot Tub pH Increaser (1 kg)
    • 1 x Pool and Hot Tub pH Reducer (1.5 kg)
    • 50 x AquaChek Test Strips (Chlorine)
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    Regular Price £35.84 Special Price £32.25
  7. Pool and Hot Tub pH Increaser (5 kg)
    Perfect for soft water areas, the pH Increaser (5 kg), sometimes referred to as pH Plus or Soda Ash, raises the pool or hot tub pH water level. A quick and efficient way to prevent or cure the problems caused by low pH. Learn More
    £14.95
  8. Pool and Hot Tub pH Increaser (1 kg)
    Perfect for soft water areas, the pH Increaser (1 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. Learn More
    £8.95
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