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Due to such a high demand we have limited some of our products to a maximum quantity of 2 per order. Thank you for your patience OPC Team.

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OPC Pool Chemicals
- Chlorine Tablets and Granules
- Chlorine Shock
- Bromine Products and Chlorine Free Products
- Algaecides
- pH Balance
- Water Maintenance
- Pool Chemical Kits
British based chemical manufacturer
FREE Shipping on all orders over £75.00 (Mainland U.K only)
OPC Spa & Hot Tub Chemicals
- Chlorine Tablets and Granules
- Chlorine Shock
- Bromine Products and Chlorine Free Products
- pH Balance
- Water Maintenance
- Sauna
- InSPAration
Shop Spa Maintenance

Shop InSPArations
British based chemical manufacturer
FREE Shipping on all orders over £75.00 (Mainland U.K only)
Fi-Clor and Other Brands
Shop Tablets/Granules

Shop Shock Granules
British based chemical manufacturer
FREE Shipping on all orders over £75.00 (Mainland U.K only)
Water Testers and Test Kits
- Test Strips and Test Tablets
- Drop and Mini Test Kits
- Digital Readers and PrimeLab/Poollab 1.0
- Dipslides
British based chemical manufacturer
FREE Shipping on all orders over £75.00 (Mainland U.K only)
Garden & Household
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Swimming Pool Chemicals

Wide range in stock

Shop Pool Chemicals

Spa Scene

Spa Range

Keep your Spa Water Clean

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Collection of Chlorine Tablets and Granules Products

Chlorine Tablets and Granules

OPC Chlorine Shock Granules

Chlorine Shock

Chlorine Free

Chlorine Free

Bromine and Chlorine Free

Algaecides

Algaecides

Algaecides

pH Balance Products

pH Balance Products

pH Balance

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Best Sellers

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About Us

Online Pool Chemicals provide swimming pool and spa treatment chemicals direct to you. We are a major UK manufacturer of pool chemicals so buying direct from us, saves you money and assures you of the quality and safety of the goods you are buying.

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Online Pool Chemicals1 Gilchrist Thomas Industrial EstateBlaenavonPontypoolNP4 9RL