Description
Once a week hot tub / spa shock treatment
5Kg Non Chlorine Shock from Blue Horizons.
Non Chlorine Shock
A fast-dissolving, chlorine-free shock granule
Key Features
o Fast dissolving
o Chlorine-free shock granules
o Destroys swimmer wastes
When added weekly or after heavy usage, you will minimise unpleasant odours and eye burn.
Non-Chlorine shock oxidises and removes organic contamination from water without increasing chlorine levels.
Application Instructions
1. Maintain pH level within the ideal range of 7.2 โ 7.6. If not in this range,
adjust.
2. Maintain free chlorine level within the ideal range of 1 โ 3mg/l.
3. Pre-dissolve the product in a clean plastic container at a maximum rate of
100g of product per 2.2 gallons (10ltrs) of clean warm water. Stir well to
ensure the product is fully dissolved. Carefully add the resulting solution to
the pool whilst the pump(s) are turn on.
4. After shock dosing the pool, allow at least 30 minutes before bathing starts.
Litresย ย ย ย Gallonsย ย ย ย ย ย Dose rates
4,546ย ย ย ย 1,000ย ย ย ย ย ย ย ย 50g
11,365ย ย ย ย 2,500ย ย ย ย ย ย ย 125g
22,730ย ย ย ย 5,000ย ย ย ย ย ย ย 250g
45,460ย ย ย 10,000ย ย ย ย ย ย 500g
68,190ย ย ย ย 15,000ย ย ย ย ย ย 750g
Useful Information
Please note. Non chlorine shock is very dense, the pots we use are a standard size and are used for many other 1kg products, pots may therefore appear only half full.
Postage
If you require delivery to the Scottish Highlands & Islands, Isle of Man, Scilly Isles, Channel Islands, Northern Ireland or outside of the UK mainland please contact us for a postal quote before making your purchase. Thank you.
Castle Hot Tubs is a well established and trusted name in the water care industry. We do our very best to ensure that your purchasing experience with us is a pleasant one.
If for any reason you are not 100% happy with our service, we will put it right, so please do contact us directly before leaving a negative feedback!
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 should I test my hot tub / spa / swimming pool water pH levels?
What about using a shock in my hot tub / spa / swimming pool water?












