Premium Grade ACTI 5KG Stabilised Chlorine Granules
£37.00
Premium Grade ACTI 5KG Stabilised Chlorine Granules
Premium Grade ACTI 5KG Stabilised Chlorine Granules are a high-quality, fast-dissolving chlorine granule designed to keep swimming pool and hot tub water clean, safe, and bacteria-free. Their stabilised formula protects against sunlight, ensures effective sanitisation, and has minimal impact on pH levels. Ideal for routine maintenance or shock dosing to maintain sparkling, clear water.
If you have any questions, please call our shop on 01268 776690 — we’re always happy to help. Thank you for choosing CrystalClear Leisure.
Premium Grade ACTI 5KG Stabilised Chlorine Granules
Premium Grade ACTI 5KG Stabilised Chlorine Granules provide a premium solution for maintaining clean, safe, and inviting swimming pool and hot tub water. These high-quality stabilised chlorine granules are designed to deliver reliable water sanitisation, eliminating bacteria, controlling algae, and ensuring safe bathing conditions. With a stabilised formula that protects against UV degradation, Premium Grade ACTI 5KG Stabilised Chlorine Granules are suitable for both regular maintenance and occasional shock treatment.
Key Features
Premium Grade ACTI 5KG Stabilised Chlorine Granules
Fast-dissolving granules for quick and easy application
Stabilised formula to protect chlorine from sunlight and degradation
Effective bacteria and algae control for safe water
Minimal impact on pH levels, reducing the need for frequent adjustment
Suitable for everyday maintenance or shock dosing
Maintaining Correct Water Balance
Before adding Premium Grade ACTI 5KG Stabilised Chlorine Granules, ensure the pH is balanced between 7.2 – 7.6. Use Genuine pH Plus or pH Minus as required. Correct water balance ensures maximum chlorine effectiveness and swimmer comfort.
Recommended Chlorine Levels:
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Hot Tubs: 3 – 5 mg/l (ppm)
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Swimming Pools: 1 – 3 mg/l (ppm)
Initial Shock Dose (for newly filled spas or heavily used pools):
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50 mg/l (ppm) for 1 hour or 20 mg/l (ppm) for 2 hours
Application Instructions
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Direct Addition: If water temperature is above 20°C, add Premium Grade ACTI 5KG Stabilised Chlorine Granules directly to the pool or spa while circulation is running.
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Pre-Dissolving: If water temperature is below 20°C or if unsure, dissolve granules at a rate of 10g per 1 litre of warm water in a clean container before adding.
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Circulate: Keep circulation running for at least 15 minutes to distribute chlorine evenly.
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Re-Dosing: Add as necessary to maintain correct chlorine levels, especially after heavy use or hot weather.
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Shock Treatment: Weekly or post-use shock dosing is recommended for optimal water clarity.
Dose Rates
| Water Volume | Raise Chlorine by 1 mg/l (ppm) | Raise Chlorine by 3 mg/l (ppm) |
|---|---|---|
| Medium Hot Tub (1,000L) | 2g | 6g |
| Large Hot Tub (1,500L) | 3g | 9g |
| Small Pool (40,000L) | 80g | 240g |
| Medium Pool (60,000L) | 120g | 360g |
| Large Pool (80,000L) | 160g | 480g |
Why Choose Premium Grade ACTI 5KG Stabilised Chlorine Granules?
Premium Grade ACTI 5KG Stabilised Chlorine Granules are a trusted solution for pool and hot tub owners seeking reliable, effective water sanitisation. Their fast-dissolving granules, UV-stabilised formula, and flexible dosing make them ideal for maintaining sparkling clear, safe water with minimal effort.
All products sold by CrystalClear Leisure are high quality and sourced from trusted manufacturers. Most items are in stock and ready to post. We offer a wide range of pumps, filters, heaters, maintenance equipment, and spares, with over 75 years of combined family experience in the swimming pool and hot tub industry.
If you have any questions about Premium Grade ACTI 5KG Stabilised Chlorine Granules or need help with dosing for your pool or spa, please call our shop on 01268 776690 — we’re always happy to help. Thank you for choosing CrystalClear Leisure.


















