Chlorine-Free Shock Treatment

SHOK ULTRA is a chlorine-free shock treatment that actively eliminates organic waste such as perspiration, body oil and cosmetics that accumulate in pool water. Its fast-acting, chlorine-free formula is odourless and prevents eye and skin irritation due to high chlorine levels. SHOK ULTRA is not affected by the sun’s ultraviolet rays.


  • Eliminates organic waste
  • No chlorine odour
  • Reduces eye and skin irritation

Formats : Pouch of 300 g, 6 kg and 18 kg

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SKU: 3007331 Categories: ,


Maintain recommended 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

  • Sprinkle SHOK ULTRA directly over the surface of the water while walking all around the pool.
  • OR: Pour product directly into the skimmer basket while the filter is running.

  • Add SHOK ULTRA according to chosen application method.
  • Wait for 30 minutes before entering the pool.

Add 75 g of SHOK ULTRA per 10,000 L of pool water every week.

POOL SIZELess than 40,000 L40,000 L to 80,000 L
ROUTINE DOSAGE (weekly)300 g (1POUCH)600 g (2 POUCHES)

  • Compatible with salt systems.
  • DO NOT apply the product at the same time as adding salt.
  • DO NOT apply the product when people are in the pool.

Higher doses may be required in hot weather, after rain or when pool is used heavily.

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