HTH Shock Granules (Superfast Granules) - Stabiliser Free - 4kg

Qty From Qty To Unit Price
1 £59.00
2 £55.00
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hth Shock in a new 4kg container, please note the 5kg containers are now discontinued.

hth®  SHOCK powder is the most powerful shock chlorine treatment on the market, and is the direct replacement for Fi-Clor Superfast.  

Suitable for use in all pools, but especially ideal for use with indoor and liner pools, this stabiliser free chlorine will avoid the build up of cyanuric acid in the pool water, and the extra fine granules dissolve easily reducing the risk of 'spotting' or bleaching the liner.

Product Features:

  • Extra fine powder dissolves easily
  • Calcium hypochlorite (non-stabilised chlorine)
  • For all types of pools
  • Minimum 75% chlorine content
  • Quickly increases chlorine content
  • Corrects green or cloudy water


  • Shock dosage is 150g of product per 10,000 litres of pool water
  • 15 grams of product in 10,000 litres of water will raise the Free Chlorine Level by 1mg/l (1ppm)

Product Data

EAN 073187307422