Blue Horizons 200g Large Stabilised Chlorine Tablets- Use CLTAB2002OL / CLTAB2005OL if out of stock
Blue Horizons Large Stabilised Chlorine Tablets are slow-dissolving, high-performance sanitisers designed for maintenance of pool water to keep it healthy and clean. Each tablet contains stabilised chlorine, which helps protect the chlorine from degradation through sunlight, ensuring long-lasting disinfection.
Ideal for use in floating dispensers or automatic feeders, these tablets gradually release chlorine slowly over 3-4 days in order to continuously kill bacteria, control algae and maintain clear, sparkling water.
Part of the BOAST System
CLTAB2005BH:5kg
CLTAB2002BH:2kg
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.