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Blue Horizons Granular Shock Chlorine 5Kg (1 5 Kg)
5 Kg
- To Be Purchased By Trade Professionals Only
- Blue Horizons Granular Shock
- A traditional shock treatment product, these calcium hypochlorite granules have an available chlorine level of approximately 65% making them a good chlorine donor for pool water problem solving.
- Granular Shock Chlorine is very effective at restoring sparkling water from algae infestation.
- Granular Shock Chlorine can be added through the skimmer.
- Please refer to the Blue Horizons Pool Care guide for further product information in our downloads section.
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Blue Horizons Granular Shock Chlorine is a calcium hypochlorite granular shock chlorine can be used as part of your winterising programme for your outdoor pool.
Granular Shock Chlorine is a highly concentrated chlorine used to shock your swimming pool water on a regular basis, usually this should be done every 2 weeks or more frequently during hot weather, or if your pool water has turned green.
Granular Shock Chlorine is very effective at restoring sparkling water from algae infestation. Granular Shock Chlorine can be added through the skimmer. Also use this product if the pool has been neglected or algae growth has appeared on the floors and walls of the pool, or there has been an exceptionally high bather load.
Equivalent to Shock Xtra, Rapid Shock. Helps prevent and remove algae. Destroys swimmer wastes. May be used for regular disinfection. pH 11.5. Part of the BOAST system.
How to apply chlorine shock granules:
1- Maintain pH levels within the ideal range 7.2 -7.6. If the level is not in this range, adjust.
2- Maintain free chlorine residuals routinely in the 1 -3mg/l (ppm) range. Shock or oxidising procedures are recommended either weekly or fortnightly with a maximum of 10mg/l (ppm) for a full shock treatment.
3- Pre-dissolve this product in a clean plastic container at a maximum rate of 100g of product for 2.2 gallons (10 litres) of water. Stir well to ensure product is fully dissolved. Add the resulting solution to the pool whilst the pump is turned on preferably near the water inlets to aid distribution.
4- Repeat dose/application if necessary to achieve the desired level.
5- After using this product, pool water may become temporarily cloudy, so keep the filtration pump running until it clears.
6- After shock treatment, allow the chlorine to drop below 5mg/l before bathing recommences, and in any event wait for at least 30 minutes! Always test your water AFTER dosing and PRIOR to bathing.
Dosing Rates
| Water Volumes | To increase Chlorine Level | |||
|---|---|---|---|---|
| Litres | Gallons | 1 mg/l | 5mg/l | 10mg/l |
| 4,545 | 1,000 | 7g | 35g | 70g |
| 11,360 | 2,500 | 17g | 88g | 175g |
| 22,725 | 5,000 | 35g | 175g | 350g |
| 68,175 | 15,000 | 105g | 525g | 1050g |
 Enov Colour Coding Chart - Standard (Size: 642 KB) | Download Enov Colour Coding Chart - Standard |
Explosives Precursors & Poisons Regulations changes 1st October 2023
The Regulations to control consumer purchases, possession and use of commonly available chemicals which could be used to cause harm are to be updated from 1st of October 2023. There are two distinct product categories:
Regulated Substances
An Explosives Precursors and Poisons (EPP) licence issued by the Home Office is required by a member of the public before regulated substances can be legitimately supplied to them (apply here). A licence is not required for B2B sales. A full list of regulated explosives precursors and poisons (and concentration thresholds) can be found on the Home Office website.
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