Spa Chemicals - Blue Horizons Granular Shock

£8.95
In Stock Icn Tick
  • Blue Horizons Granular Shock
  • This product helps to prevent and remove algae
  • Destroys swimmer wastes and may be used for regular disinfection
  • Available in 1kg & 2kg containers
  • Please see drop down box for prices
  • Part of the BOAST system
  • Blue Horizons Non-Stabilised Granular Shock
  • Ideal for shock treating swimming pools & spas
  • Helps prevent/remove algae and destroy swimmer wastes
  • May be used for regular water disinfection
  • Maintain pH levels within the ideal range of 7.2 - 7.6
  • Part of the BOAST system (Balancers, Oxidisers, Algaecides, Sanitisers, Testing)
  • CAUTION: WEAR EYE AND FACE PROTECTION AND ENSURE GRANULES ARE NOT BLOWN BACK INTO YOUR FACE
  • NEVER MIX WITH ANY OTHER CHEMICALS INCLUDING CLEANING PRODUCTS AND CHLORINE PRODUCTS. WHEN PRE-DISSOLVING PRODUCT ALWAYS ADD TO WATER, NOT VICE VERSA. 
  • Guide Thumb

    How to treat green water

    Find out all you need to know about algae and green water, how to treat it and how to cure it.

  • Guide Thumb

    How to care for your spa

    To keep your spa water healthy, clean and inviting isn't always easy but it is important. Read our guide on spa maintenance maintenance and water treatment to make caring for your spa a breeze. 

  • Guide Thumb

    How to care for your pool during winter

    At the end of the outdoor swimming season, some simple procedures can ensure that your pool equipment is protected and the water condition is in good condition for the following year.

Returns Policy


Your rights to return goods are protected under the EU Distance Selling Directive.

You are entitled to cancel your order and return the goods within 7 working days for a full refund not including the cost of delivery. Do this by contacting us by email or telephone and quoting the order number supplied to you. Your refund will be paid within 30 days. You are responsible for the cost and risk of loss or damage when returning the goods, so you should take out enough postal insurance to cover their value. This cancellation policy does not affect your rights when we are at fault - for example, if goods are faulty or incorrectly-described.

Exclusions: Bespoke items (made to measure items) are not included and cannot be returned. If a bespoke item is faulty then the product warranty /guarantee will take effect.

Any goods returned should be in saleable condition.

These terms apply to your order. We may change our terms and conditions at any time, so please do not assume that the same terms will apply in the future.

None of these terms affect your legal rights and these are not diminished in any way. If any term is held to be invalid under any applicable statute or rule of law, that term is automatically omitted from the terms to minimum extent necessary to comply with the law and without affecting the validity or enforceability of the remainder.

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