Relax 14-15% Sodium Hypochlorite 20L
- Relax Sodium Hypochlorite (Liquid Chlorine) 20L
- 14-15% strength (when packed)
- Great for opening/shock dosing swimming pools.
- THIS ITEM IS COLLECTION ONLY - from our Fareham, Southampton (Cadnam) or Worthing stores.
- Over 18s only. ID will be checked in accordance with The Offensive Weapons Act 2019.
Used to shock dose swimming pools when opening or closing for the season or fortnightly shock treatment. This is also used as a patio cleaner by many and is very effective as a cleaner. When cleaning be careful as this is a strong product and could damage some surfaces so test in a small area to begin with.
Commonly used as the following:
- Swimming Pool Shock Dose
- Patio Cleaner
- Algae Remover
- Moss Remover
- Odur Removal
Relax branded product. 14-15% CL Active.
Due to hazardous material. Collection only from our Fareham, Southampton (Cadnam) or Worthing store
Customer Questions
- Adjust the PH of your pool water to 7.2 before adding Sodium Hypochlorite.
- For a routine fortnightly shock treatment add at a rate of 3.5 litres per 45 cubic metres (10,000 gallons) of pool water. For pools suffering from light algae infestation, add at a rate of 8 litre per 45 cubic metres of pool water. For pools with heavily infested algae, add at a rate of 15 litres per 45 cubic metres (10,000 gallons) of pool water.
- For daily treatment add at a rate of 350ml per 45 cubic metres (10,000 gallons). Test pool water and re-apply if chlorine is below 1ppm.
- Add to the pool directly over the return water inlets and leave filter plant running to ensure even distribution.
- The product is very corrosive, always wear adequate protection when handling.
- Wait until the chlorine residual has dropped below 5ppm before swimming.
Dosage Guide
| Pool Volume | Dosage Rate | ||
| Litres | Approx Gallons | Daily (Routine) | Fortnightly (Shock) |
| 4,500 | 1,000 | 35ml | 0.35 Litres |
| 23,000 | 5,000 | 180ml | 1.8 Litres |
| 34,000 | 7,500 | 270ml | 2.7 Litres |
| 45,000 | 10,000 | 350ml | 3.5 Litres |
| 68,000 | 15,000 | 530ml | 5.3 Litres |
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