Granular Shock

A traditional stabiliser-free granular shock chlorine. Use regularly. Ideal to help purge pool water of swimmer wastes and can also be used to prevent and destroy algae.  Blue Horizons Granular shock has a high chlorine content, making it the ideal product for pool water problem solving.  Suitable for both indoor and outdoor use.

Availability: In stock

Product Name Price Qty
Granular Shock 5kg
Granular Shock 5kg x 4


  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 of 2.2 gallon (10 litres) in water. Stir well to ensure product is fully dissolved. Carefully add the resulting solution to the pool whilst the pump (s) are 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 level to drop below 5mg/l before bathing recommences, and in any event wait for at least 30 minutes before bathing recommences.
Manufacturer Blue Horizons
Use Pool

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