Chlorinating granules

SHOK is a shock treatment that actively destroy organic waste such as perspiration, body oil and cosmetics that tend to cloud water. It is highly effective in treating algae, heavy algae or cloudy water. This reactivation treatment also clarifies cloudy water and keeps chlorine working longer.


  • Controls bacteria and algae in pool water

Formats : Pouch of 600 g, 2 kg, 7 kg and 25 kg


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Maintain proper daily levels as determined by testing kit.
Free available chlorine: 1.0 – 3.0 ppm
pH: 7.2 – 7.8
Total alkalinity: 80 – 120 ppm
Calcium hardness: 200 – 300 ppm

To minimize bleaching, predissolve required amount of SHOK in a plastic pail with concentration not exceeding 1 kg per 10,000 L of pool water. Always add chemical to water, NEVER water to chemical. Pour resulting slurry directly into pool water.

• Initially, superchlorinate pool water by adding 150 g of SHOK per 10,000 L of pool water. For best results, superchlorinate at dusk.
• Maintain proper chlorine residual by pouring around the pool, directly on the surface of water, 30 g of SHOK per 10,000 L of pool water, daily or as needed.
• Superchlorinate weekly with 150 g of SHOK per 10,000 L of pool water when average daily temperature is between 25°C and 32°C. Otherwise, superchlorinate every other week.
• For visible algae, superchlorinate using 350 g of SHOK per 10,000 L of pool water. Heavy algae infestation may require dosages up to 500 g per 10,000 L of pool water. Vacuum pool when dead algae settle.

POOL SIZELess than 40,000 L40,000 L to 80,000 L
ROUTINE DOSAGE (daily)120 g240 g

• Hot weather, heavy pool usage and rain may require higher usage rates to maintain proper chlorine residuals.
• For outdoor pools, chlorine residuals can be protected from destruction by sun’s rays by the addition of STAB.


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