








Blue Horizons Rapid Shock
Blue Horizons Rapid Shock is a powerful, non-stabilised and fast-acting pool treatment designed to restore crystal-clear water by eliminating contaminants and boosting chlorine levels. This high-quality shock treatment is essential for maintaining a safe and hygienic swimming environment, and is ideal for shock dosing or regular oxidisation of swimming pool water.
Blue Horizons Rapid Shock is suitable for all types of pools and is a vital component of any pool maintenance routine.
Key Features:
- Fast-acting formula
- Effective contaminant removal
- Restores water clarity
- Easy to use
- Prevents algae growth
- Improves sanitiser efficiency
- Ideal for routine maintenance and problem solving.
Ideal for use in:
- Opening and closing pools
- Routine maintenance
- Problem solving
- Boosting chlorine levels
Part of the BOAST system
SHRAP05BH:5kg
SHRAP02BH:2kg
SHRAP01BH: 1kg

Frequently Asked Questions
Clear answers to help you choose the right water testing solution with confidence
Which brands of water testing kits do you supply?
Do you provide kits for both home and professional use?
Yes — whether you’re a pool or spa owner, aquarium keeper, utility company, or a university laboratory, we have the right solution for your needs.
Can I arrange servicing or calibration for my photometer?
Absolutely. We also provide servicing and calibration to keep your photometers accurate and reliable.
How quickly do you dispatch orders?
Orders placed before 2:30 pm (Monday–Friday) are dispatched the same day. We also ship on Saturdays for your convenience.
Which couriers do you use for delivery?
We deliver through UPS, DPD, and Royal Mail. You can also choose to upgrade to next-day delivery at checkout.
What is your return policy?
We accept returns within 14 days of delivery provided the items are unused, in their original packaging, and in resalable condition. Please contact our team before returning any items.
Can I place bulk or business orders?
Yes, we welcome bulk, trade, and institutional orders. For tailored pricing or large quantities, please get in touch with us directly.
How can I get help if I’m unsure which kit to buy?
You can call us at 📞 +44 (0)115888 2726 and our team will guide you in choosing the most suitable kit for your needs.