Blue Horizons Granular Shock
Price range: £17.44 through £36.49
A traditional stabiliser-free granular shock
- Easy dose sachets
- Destroys swimmer wastes and helps prevent/kill algae
- Stabiliser-free
Description
Blue Horizons Granular Shock
Key Features/Characteristics
- Helps prevent/remove algae
- Destroys swimmer wastes
- May be used for regular disinfection
- pH 11.5
Part of the BOAST System
Application Instructions
- Maintain pH levels within the ideal range 7.2 – 7.6. If the level is not in this range, adjust.
- 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.
- Pre-dissolve this product in a clean plastic container at a maximum rate of 100g of product of 2.2 gallon (10 litres) in water. Stir well to ensure product is fully dissolved. Add the resulting solution to the pool whilst the pump (s) are turned ‘on’ preferably near the water inlets to aid distribution.
- Repeat dose/application if necessary to achieve the desired level.
- After using this product pool water may become temporarily cloudy, so keep the filtration pump running until it clears.
- After shock treatment, allow the chlorine to drop below 5mg/l before bathing recommences, and in any event wait for at least 30 minutes before bathing recommences.
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
Additional information
| Weight | N/A |
|---|---|
| Pack Size | 1kg, 2kg, 5kg |

