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OPC Filter Aid Tablets 18pk & OPC Chlorine Shock Granules 500g

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OPC Filter Aid Tablets - Swimming Pool Clarifier/Floc/Sparkle - 18 Tablets

  • Maintains Crystal Clear Water
  • Ideal For Swimming Pool Water
  • Slow Dissolving
  • Boosts Sand Filter Performance
  • CLP Product Information Sheet (Filter Aid Tablets)


OPC Chlorine Shock Granules 500g


  • Unstabilised Chlorine
  • Ideal For Shock Dosing (Deep Clean)
  • Perfect for Swimming Pool, Spa and Hot Tub Water
  • Rapid Dissolving
  • Kills Bacteria and Viruses
  • CLP Product Information Sheet (Shock Granules)
View All Product Details Here

OPC Filter Aid Tablets 18pk & OPC Chlorine Shock Granules 500g

OPC Filter Aid Tablets - Swimming Pool Clarifier/Floc/Sparkle - 18 Tablets

An aid to crystal clear Swimming Pool water. These tablets dissolve slowly releasing coagulant that helps filter sand hold back tiny particles that cause cloudiness.


  1. One Tablet will treat 10,000 gallons (45m3) of Swimming Pool water.
  2. Adjust the pool water to a pH of 7.5 and backwash filter before use.
  3. Add Filter Aid tablets to the skimmer basket or for more immediate results add to the strainer basket of the circulation pump.
  4. Run the Swimming Pool Filter for at least 48hrs.
  5. If the Swimming Pool Filter pressure rises to the level recomended for a backwash, complete a Filter Backwash.
  6. In the event of a Filter Backwash repeat dosage.

Filter Aid tablets should NOT be used with Cartridge type filter or swimming Pools fitted with Diatomaceous Earth (DE) 

OPC Chlorine Shock Granules 500g

`A weekly shock dose is essential to ensure clean and healthy pool water`
Ideal for Shock Dosing the swimming pool water on a weekly basis, after heavy bathing or as a preventative measure to ensure bacteria and organic contaminants are eliminated.
Rapid Dissolving Un-Stabilised Chlorine Shock Granule is ideal for raising Free Chlorine readings without having an impact on stabiliser reads (cyanuric acid).


  1. Test the water for Free Chlorine using a CHLORINE TEST KIT.
  2. It is recommended swimming pool water is shock dosed after Heavy Bathing and/or during warm weather to ensure water clarity is maintained and sanitiser efficiency.
  3. Ensure bathing has ceased before adding chemicals to the water.
  4. Add OPC Chlorine Shock Granules directly to circulating water with water temperature above 200C (for temperatures below 200C add product to 10 litres of clean water in a clean plastic container and add to directly to the circulating pool water.)
  5. Contents of this container should be sufficient to shock dose an average size swimming pool of 50m3.
  6. A shock dose of Chlorine Shock should achieve a reading between 5 – 8 PPM
  7. During the shock dose process always ensure water is circulating via the filter and all pool covers are removed.
  8. After 24 hours re-check Free Chlorine Readings and pH levels.
  9. Swimming should not resume until Free Chlorine levels are below 5 PPM (but above 2 PPM) and pH levels are 7.3 – 7.5.

Storage & Handling

    • Store in a cool, dry place.
    • Contact with combustible materials may cause fire.
    • Do not mix with other chemicals.
    • Always wear suitable gloves and eye protection when handling.

Use biocides safely. Always read the label and product information before use

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