Non Chlorine Shock Granules Relax 1Kg


Hot Tub / Spa / Swimming Pool Non-Chlorine Oxidiser


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Non Chlorine Shock Granules 1Kg by Relax

This product is suitable for use in your Hot Tub / Spa / Swimming Pool as a non chlorine Oxidiser.

Relax non-chlorine shock granules are suitable for spas running on chlorine or bromine as a sanitiser, as well as any active oxygen system.

Non chlorine shock can restore water sparkle and is ideal for the regular oxidisation of water – add to your pool or spa on a weekly basis or after heavy use.




These Non Chlorine Shock granules are rapid dissolving, have minimal impact on pH and will remove organic contamination without increasing chlorine levels.

It also reduces unpleasant chloramines, which will reduce any unpleasant odours and eye and skin burn.

Directions for use:

  1. Maintain pH levels between 7.2 and 7.6
  2. Ensure pool is not being used when adding this non chlorine shock granules
  3. Only add product when pool circulation is running
  4. For swimming pools, add at a rate of 500g per 45,000 litres (10,000 gallons) of water.? For hot tubs and spa add at a rate of 15g per 1,000 litres (220 gallons) of water.
  5. Always pre-dissolve the product in a clean plastic container or bucket filled with warm, clean water from the pool.
  6. Wait at least 15 minutes before re-using pool or spa.

    General Precautions:
    Never mix with any other chemicals including cleaning products, weedkillers and chlorine products, as a dangerous reaction may occur.

    Always handle products in a well ventilated area, preferably outdoors.

    When diluting products always use a clean plastic container. If in doubt wash thoroughly before use.

    When diluting products always add product to water and not vice versa.

    Always wash your hands thoroughly after handling pool chemicals.

    Store in a cool dry place.

    Instructions and dosages given are a guide for most effective use.

    Always shake bottle before use.

    Contains: Potassium Peroxymonosulphate (98%)


More helpful advice:

Confused about your hot tub water chemistry? Our guides answer the most Frequently Asked Questions!

Why do I need to test my hot tub / spa / swimming pool water chlorine levels?

Why do I need to test my hot tub / spa / swimming pool water pH levels?

When and why do I need to shock my hot tub / spa / swimming pool water?

A genuine Relax branded product.


Why don’t you try our own brand instead

All of Castle Hot Tubs branded products are Grade ‘A’ quality – packed and labelled in the UK